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827 lines
21 KiB
827 lines
21 KiB
#include "pch.c"
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#pragma hdrstop
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#include <time.h>
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#include "mazedlg.h"
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#include <assert.h>
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MazeView vw;
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MazeSolution sol;
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MazeOptions maze_options =
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{
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FALSE, // depth_test
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RENDER_FLAT, // render mode (WALLS)
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RENDER_FLAT, // render mode (FLOOR)
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RENDER_FLAT, // render mode (CEILING)
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FALSE, // frame_count
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FALSE, // top_view
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TRUE, // eye_view
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FALSE, // single_step
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FALSE, // all_alpha
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FALSE, // bDither
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1 // nrats
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};
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float gfAspect = 1.0f; // aspect ratio
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#define SST_NEW_MAZE 0
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#define SST_MAZE_GROW 1
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#define SST_SOLVING 2
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#define SST_MAZE_SHRINK 3
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#define SST_ROTATE 4
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int solve_state = SST_NEW_MAZE;
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// Table of textures used. The first entries contain 1 texture for each main
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// surface, followed by textures used for various objects
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TEXTURE all_textures[NUM_TEXTURES];
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// Environment associated with the texture (repetition, palette rotation,..)
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// For now, have one for each of the textures in all_textures. But, this
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// could be a per-object thing.
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TEX_ENV gTexEnv[NUM_TEXTURES];
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// texture environment mode
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int gTexEnvMode;
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// Texture resources for the main surfaces
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TEX_RES gTexResSurf[NUM_DEF_SURFACE_TEXTURES] = {
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{TEX_BMP, IDB_BRICK}, // default textures
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{TEX_BMP, IDB_WOOD},
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{TEX_BMP, IDB_CASTLE},
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{TEX_A8, IDB_CURL4}, // mandelbrot textures
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{TEX_A8, IDB_BHOLE4},
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{TEX_A8, IDB_SNOWFLAK},
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{TEX_A8, IDB_SWIRLX4}
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};
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// Texture resources for objects
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TEX_RES gTexResObject[NUM_OBJECT_TEXTURES] = {
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{TEX_A8, IDB_START},
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{TEX_A8, IDB_END},
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{TEX_A8, IDB_RAT},
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{TEX_A8, IDB_AD},
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{TEX_BMP, IDB_COVER}
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};
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SSContext gssc;
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void maze_Init( void *data );
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void RotateTexturePalettes( TEX_ENV *pTexEnv, int count, int iRot );
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enum {
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TIMER_START = 0,
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TIMER_STOP
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};
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void Draw(void)
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{
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GLbitfield mask;
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mask = 0;
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if (maze_options.depth_test)
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{
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mask |= GL_DEPTH_BUFFER_BIT;
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}
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if (maze_options.render[FLOOR] == RENDER_NONE ||
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maze_options.render[CEILING] == RENDER_NONE ||
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maze_options.render[WALLS] == RENDER_NONE ||
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maze_height < 1.0f)
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{
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mask |= GL_COLOR_BUFFER_BIT;
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}
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if (mask != 0)
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{
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glClear(mask);
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}
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// Rotate the palettes of any paletted texures by 1
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RotateTexturePalettes( gTexEnv, NUM_TEXTURES, 1 );
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if (maze_options.eye_view)
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{
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DrawMaze(&vw);
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}
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if (maze_options.top_view)
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{
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DrawTopView(&vw);
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}
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glFlush();
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}
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MazeGoal maze_goals[MAX_GOALS];
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int ngoals;
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Object special_obj[MAX_SPECIALS];
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#define MAX_LETTERS 3
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Object letters_obj[MAX_LETTERS];
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typedef struct _Rat
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{
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Object obj;
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MazeView vw;
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MazeSolution sol;
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} Rat;
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Rat rats[MAX_RATS];
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void NewMazeList(void)
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{
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glNewList(maze_walls_list, GL_COMPILE);
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DrawMazeWalls();
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glEndList();
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}
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void UpdateRatPosition(Rat *rat)
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{
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MoveObject(&rat->obj, rat->vw.pos.x, rat->vw.pos.y);
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// Invert the angle because view angles move opposite to
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// object angles
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rat->obj.ang = FaAdd(0, -rat->vw.ang);
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}
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// Simple routines to pick cells at random while guaranteeing
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// that those cells are unoccupied
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static int rnd_cells[MAZE_CELLS];
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static int nrnd_cells;
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void InitRandomCells(void)
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{
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int i;
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nrnd_cells = MAZE_CELLS;
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for (i = 0; i < nrnd_cells; i++)
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{
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rnd_cells[i] = i;
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}
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}
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void PickRandomCell(IntPt2 *pos)
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{
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int idx, t;
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#if DBG
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if (nrnd_cells == 0)
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{
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MessageBox(GetDesktopWindow(), TEXT("Out of random cells"),
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NULL, MB_OK);
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pos->x = 0;
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pos->y = 0;
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return;
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}
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#endif
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idx = rand() % nrnd_cells;
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nrnd_cells--;
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t = rnd_cells[idx];
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rnd_cells[idx] = rnd_cells[nrnd_cells];
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pos->x = t % MAZE_GRID;
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pos->y = t / MAZE_GRID;
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}
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void RemoveRandomCell(IntPt2 *pos)
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{
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int i, idx;
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for (i = 0; i < nrnd_cells; i++)
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{
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idx = rnd_cells[i];
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if ((idx % MAZE_GRID) == pos->x &&
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(idx / MAZE_GRID) == pos->y)
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{
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nrnd_cells--;
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rnd_cells[i] = rnd_cells[nrnd_cells];
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return;
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}
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}
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}
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void NewMaze(void)
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{
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IntPt2 cell, start_cell;
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int i, nspecials, nads;
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static BOOL firstMaze = TRUE;
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// If not in full screen mode, move the maze window around after it's solved
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if( !gbTurboMode && !firstMaze )
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ss_RandomWindowPos();
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InitRandomCells();
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if (!InitMaze(&start_cell, maze_goals, &ngoals))
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{
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printf("InitMaze failed\n");
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exit(1);
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}
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RemoveRandomCell(&start_cell);
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cell.x = maze_goals[GOAL_END].clx;
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cell.y = maze_goals[GOAL_END].cly;
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RemoveRandomCell(&cell);
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nspecials = rand() % MAX_SPECIALS;
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for (i = 0; i < nspecials; i++)
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{
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PickRandomCell(&cell);
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maze_goals[ngoals].clx = cell.x;
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maze_goals[ngoals].cly = cell.y;
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maze_goals[ngoals].user = &special_obj[i];
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special_obj[i].w = FMAZE_CELL_SIZE/4;
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special_obj[i].h = FxFltVal(.25);
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special_obj[i].z = special_obj[i].h;
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special_obj[i].col = 15;
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special_obj[i].draw_style = DRAW_SPECIAL;
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special_obj[i].draw_arg = rand() % SPECIAL_ARG_COUNT;
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special_obj[i].ang = FaDeg(0);
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special_obj[i].user1 = (rand() % 6)+2;
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special_obj[i].user2 = rand() % 5;
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special_obj[i].user3 = 0;
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PlaceObject(&special_obj[i],
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CellToMfx(maze_goals[ngoals].clx)+FMAZE_CELL_SIZE/2,
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CellToMfx(maze_goals[ngoals].cly)+FMAZE_CELL_SIZE/2);
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ngoals++;
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}
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while (i < MAX_SPECIALS)
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{
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special_obj[i].cell = NULL;
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i++;
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}
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nads = (rand() % (MAX_LETTERS*2))-MAX_LETTERS+1;
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for (i = 0; i < nads; i++)
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{
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PickRandomCell(&cell);
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letters_obj[i].w = FMAZE_CELL_SIZE/3;
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letters_obj[i].h = FxFltVal(.33);
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letters_obj[i].z = FxFltVal(.5);
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letters_obj[i].col = 15;
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letters_obj[i].draw_style = DRAW_POLYGON;
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letters_obj[i].pTexEnv = &gTexEnv[ TEX_AD ];
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letters_obj[i].ang = FaDeg(0);
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PlaceObject(&letters_obj[i],
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CellToMfx(cell.x)+FMAZE_CELL_SIZE/2,
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CellToMfx(cell.y)+FMAZE_CELL_SIZE/2);
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}
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while (i < MAX_LETTERS)
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{
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letters_obj[i].cell = NULL;
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i++;
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}
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for (i = 0; i < maze_options.nrats; i++)
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{
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PickRandomCell(&cell);
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rats[i].obj.w = FMAZE_CELL_SIZE/4;
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rats[i].obj.h = FxFltVal(.125);
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rats[i].obj.z = rats[i].obj.h;
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rats[i].obj.col = 16;
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rats[i].obj.draw_style = DRAW_POLYGON;
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rats[i].obj.pTexEnv = &gTexEnv[ TEX_RAT ];
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SolveMazeStart(&rats[i].vw, &maze_cells[0][0], MAZE_GRID, MAZE_GRID,
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&cell, SOL_DIR_LEFT,
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NULL, 0,
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(rand() % 1000) > 500 ? SOL_TURN_LEFT : SOL_TURN_RIGHT,
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&rats[i].sol);
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// Need to force this to NULL when a new maze is generated so
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// that moving doesn't try to use old maze data
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rats[i].obj.cell = NULL;
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UpdateRatPosition(&rats[i]);
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}
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NewMazeList();
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SolveMazeStart(&vw, &maze_cells[0][0], MAZE_GRID, MAZE_GRID,
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&start_cell, SOL_DIR_RIGHT,
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maze_goals, ngoals,
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(rand() % 1000) > 500 ? SOL_TURN_LEFT : SOL_TURN_RIGHT,
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&sol);
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solve_state = SST_MAZE_GROW;
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firstMaze = FALSE;
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}
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/**************************************************************************\
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* Step
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*
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* Main draw proc
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*
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\**************************************************************************/
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static MazeGoal *found_goal = NULL;
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static int rot_step;
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void Step(void *data)
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{
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int i;
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MazeGoal *goal;
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switch(solve_state)
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{
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case SST_NEW_MAZE:
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view_rot = 0;
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maze_height = 0.0f;
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NewMaze();
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break;
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case SST_SOLVING:
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for (i = 0; i < maze_options.nrats; i++)
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{
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SolveMazeStep(&rats[i].vw, &rats[i].sol);
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UpdateRatPosition(&rats[i]);
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}
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goal = SolveMazeStep(&vw, &sol);
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if (goal == &maze_goals[GOAL_END])
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{
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solve_state = SST_MAZE_SHRINK;
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}
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else if (goal != NULL)
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{
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solve_state = SST_ROTATE;
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found_goal = goal;
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rot_step = 0;
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}
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break;
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case SST_MAZE_GROW:
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maze_height += .025f;
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if (maze_height >= 1.0f)
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{
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solve_state = SST_SOLVING;
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}
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break;
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case SST_MAZE_SHRINK:
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maze_height -= .025f;
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if (maze_height <= 0.0f)
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{
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solve_state = SST_NEW_MAZE;
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}
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break;
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case SST_ROTATE:
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view_rot += 10.0;
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if (++rot_step == 18)
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{
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Object *sp_obj;
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sp_obj = (Object *)found_goal->user;
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RemoveObject(sp_obj);
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solve_state = SST_SOLVING;
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ngoals--;
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if (found_goal < maze_goals+ngoals)
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{
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memmove(found_goal, found_goal+1,
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sizeof(MazeGoal)*(size_t)((ULONG_PTR)(ngoals-(found_goal-maze_goals))));
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}
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SolveMazeSetGoals(&sol, maze_goals, ngoals);
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found_goal = NULL;
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if (view_rot >= 360.0)
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{
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view_rot = 0.0;
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}
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else
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{
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view_rot = 180.0;
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}
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}
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break;
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}
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Draw();
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for (i = 0; i < MAX_SPECIALS; i++)
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{
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// Increment rotations of any specials still present in the maze
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if (special_obj[i].cell != NULL)
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{
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special_obj[i].ang = FaAdd(special_obj[i].ang,
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FaDeg(special_obj[i].user1));
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special_obj[i].user3 += special_obj[i].user2;
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}
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}
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}
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void UpdateModes(void)
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{
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if (maze_options.depth_test)
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{
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glEnable(GL_DEPTH_TEST);
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}
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else
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{
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glDisable(GL_DEPTH_TEST);
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}
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}
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/**************************************************************************\
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* Reshape
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*
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* - called on resize, expose
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* - always called on app startup
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*
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\**************************************************************************/
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void
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Reshape(int width, int height, void *data )
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{
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gfAspect = height == 0 ? 1.0f: (float) width / (float) height;
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}
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/******************************Public*Routine******************************\
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* VerifyTextureFiles
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*
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* Check that any user specified textures are valid
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* - MUST be called at ss_Init, or any error msgs will not display properly
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*
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\**************************************************************************/
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void VerifyTextureFiles(void)
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{
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int i;
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ss_DisableTextureErrorMsgs();
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for (i = 0; i < NUM_SURFACES; i++) {
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if( gTexInfo[i].bTex && !gTexInfo[i].bDefTex ) {
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if( !ss_VerifyTextureFile( &gTexInfo[i].texFile ) )
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// use default texture
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gTexInfo[i].bDefTex = TRUE;
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}
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}
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}
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/******************************Public*Routine******************************\
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* CalcRep
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*
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* Figure out repetion based on size.
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*
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* - Use 128 pixels as a unit repetition reference
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* - Size is always a power of 2
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*
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\**************************************************************************/
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static int
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CalcRep( int size )
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{
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double pow2;
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int pow2ref = 8;
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int rep;
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pow2 = log((double)size) / log((double)2.0);
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rep = 1 + pow2ref - (int)pow2;
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return rep;
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}
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//mf: tradeoff
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#define MAX_TEX_DIM 128
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//#define MAX_TEX_DIM 256
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/******************************Public*Routine******************************\
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* CalcTexRep
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*
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* Figure out texture repetition based on texture size.
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*
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* - mf: ? double for walls/ceiling ?
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*
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\**************************************************************************/
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static void
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CalcTexRep( TEXTURE *pTex, IPOINT2D *pTexRep )
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{
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if( pTex->width >= MAX_TEX_DIM )
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pTexRep->x = 1;
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else
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pTexRep->x = CalcRep( pTex->width );
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if( pTex->height >= MAX_TEX_DIM )
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pTexRep->y = 1;
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else
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pTexRep->y = CalcRep( pTex->height );
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}
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/******************************Public*Routine******************************\
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* LoadTextures
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*
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* Load textures from .bmp files or from embedded resources, using
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* global texture info structure.
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*
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* For now, this also sets render modes, since if texturing is off for a
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* surface, we always use RENDER_FLAT
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*
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* History:
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* - Nov. 95 [marcfo] : Creation
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* - Jan. 96 [marcfo] : Load surface and object textures separately. The 3
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* surface textures occupy the first locations of the all_textures[]
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* array, and the object textures follow.
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*
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\**************************************************************************/
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static void
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LoadTextures(void)
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{
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int i;
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TEXTURE *pTex = all_textures;
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TEX_ENV *pTexEnv = gTexEnv;
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TEX_RES *pTexRes;
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assert( (NUM_SURFACES + NUM_OBJECT_TEXTURES) == NUM_TEXTURES );
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// load surface textures (wall, floor, ceiling)
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for (i = 0; i < NUM_SURFACES; i++, pTex++, pTexEnv++) {
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maze_options.render[i] = RENDER_FLAT;
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if( gTexInfo[i].bTex ) {
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pTexEnv->pTex = pTex;
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pTexEnv->bTransp = FALSE;
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// Load user or default texture for the surface
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if( !gTexInfo[i].bDefTex &&
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ss_LoadTextureFile( &gTexInfo[i].texFile, pTex )) {
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|
} else
|
|
{
|
|
// Load default resource texture
|
|
|
|
pTexRes = &gTexResSurf[ gTexInfo[i].iDefTex ];
|
|
if( !ss_LoadTextureResource( pTexRes, pTex ) )
|
|
continue;
|
|
|
|
if( ss_PalettedTextureEnabled() &&
|
|
(pTexRes->type == TEX_A8) )
|
|
{
|
|
pTexEnv->bPalRot = TRUE;
|
|
pTexEnv->iPalRot = ss_iRand( 0xff );
|
|
} else
|
|
pTexEnv->bPalRot = FALSE;
|
|
}
|
|
|
|
maze_options.render[i] = RENDER_TEXTURED;
|
|
|
|
// Figure out texture repetition
|
|
CalcTexRep( pTex, &pTexEnv->texRep );
|
|
// We would have to set texture parameters per object here,
|
|
// but we just use default ones already set by ss_LoadTexture*
|
|
}
|
|
}
|
|
|
|
// load object textures
|
|
|
|
pTexRes = gTexResObject;
|
|
for( i = 0; i < NUM_OBJECT_TEXTURES; i++, pTex++, pTexEnv++, pTexRes++ ) {
|
|
if( ss_LoadTextureResource( pTexRes, pTex ) )
|
|
pTexEnv->pTex = pTex;
|
|
else
|
|
pTexEnv->pTex = NULL;
|
|
|
|
pTexEnv->bTransp = FALSE;
|
|
|
|
// For now we don't do palrot's on any of the object textures
|
|
pTexEnv->bPalRot = FALSE;
|
|
// No repetition
|
|
pTexEnv->texRep.x = pTexEnv->texRep.y = 1;
|
|
}
|
|
|
|
// Set transparency for some of the textures
|
|
ss_SetTextureTransparency( gTexEnv[TEX_START].pTex, 0.42f, FALSE );
|
|
ss_SetTextureTransparency( gTexEnv[TEX_END].pTex, 0.4f, FALSE );
|
|
ss_SetTextureTransparency( gTexEnv[TEX_AD].pTex, 0.4f, FALSE );
|
|
|
|
#if 0
|
|
// Enough already with the transparency!
|
|
ss_SetTextureTransparency( &all_textures[TEX_COVER], 0.6f, FALSE );
|
|
ss_SetTextureTransparency( &all_textures[TEX_WALL], 0.5f, FALSE );
|
|
#endif
|
|
|
|
// Enable transparency for some of the texture environments
|
|
gTexEnv[TEX_START].bTransp = TRUE;
|
|
gTexEnv[TEX_END].bTransp = TRUE;
|
|
gTexEnv[TEX_AD].bTransp = TRUE;
|
|
}
|
|
|
|
void UseTextureEnv( TEX_ENV *pTexEnv )
|
|
{
|
|
static HTEXTURE hCurTex = (HTEXTURE) -1;
|
|
HTEXTURE hTex = pTexEnv->pTex;
|
|
|
|
// We cache the current texture for 'no texture object' case
|
|
|
|
if( !ss_TextureObjectsEnabled() &&
|
|
(hCurTex == hTex) )
|
|
return; // same texture, no need to send it down
|
|
|
|
// Make this texture current
|
|
|
|
ss_SetTexture( hTex );
|
|
|
|
// Set texture palette if necessary
|
|
|
|
if( pTexEnv->bPalRot &&
|
|
!ss_TextureObjectsEnabled() &&
|
|
ss_PalettedTextureEnabled() ) {
|
|
|
|
// We need to send down the (rotated) palette
|
|
ss_SetTexturePalette( hTex, pTexEnv->iPalRot );
|
|
}
|
|
|
|
hCurTex = hTex;
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* RotateTexturePalettes
|
|
*
|
|
* If paletted texturing is enabled, go through the supplied list of texture
|
|
* environments, and if any have a palette, increment its rotation by the
|
|
* supplied iRot value.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
void
|
|
RotateTexturePalettes( TEX_ENV *pTexEnv, int count, int iRot )
|
|
{
|
|
int i;
|
|
|
|
if( !ss_PalettedTextureEnabled() || !pTexEnv )
|
|
return;
|
|
|
|
|
|
for( ; count; count--, pTexEnv++ ) {
|
|
|
|
if( !pTexEnv->pTex || !pTexEnv->pTex->pal )
|
|
continue;
|
|
|
|
if( pTexEnv->bPalRot ) {
|
|
// increment palette rotation
|
|
pTexEnv->iPalRot += iRot;
|
|
if( pTexEnv->iPalRot >= pTexEnv->pTex->pal_size )
|
|
pTexEnv->iPalRot = 0;
|
|
// Only send down the new palette if texture objects are enabled,
|
|
// since otherwise it will be sent down when texture is
|
|
// 'made current'
|
|
if( ss_TextureObjectsEnabled() ) {
|
|
ss_SetTexturePalette( pTexEnv->pTex, pTexEnv->iPalRot );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* InitStretchInfo
|
|
*
|
|
\**************************************************************************/
|
|
|
|
static void
|
|
InitStretchInfo( STRETCH_INFO *pStretch )
|
|
{
|
|
ISIZE screen;
|
|
|
|
pStretch->baseWidth = 320;
|
|
pStretch->baseHeight = 200;
|
|
pStretch->bRatioMode = FALSE;
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* SetFloaterInfo
|
|
*
|
|
* Set the size and position of the floating child window
|
|
*
|
|
\**************************************************************************/
|
|
|
|
|
|
static void
|
|
SetFloaterInfo( ISIZE *pParentSize, CHILD_INFO *pChild )
|
|
{
|
|
float hdtvAspect = 9.0f / 16.0f;
|
|
ISIZE *pChildSize = &pChild->size;
|
|
|
|
// Set width according to user-specified size
|
|
// (giSize range is 0..100)
|
|
// set min size as 1/3 parent width
|
|
pChildSize->width =
|
|
(int) ((0.333f + 2.0f*giSize/300.0f) * pParentSize->width);
|
|
|
|
// Scale height for hdtv aspect ratio
|
|
pChildSize->height = (int) (hdtvAspect * pChildSize->width + 0.5f);
|
|
// Ensure height not too big
|
|
SS_CLAMP_TO_RANGE2( pChildSize->height, 0, pParentSize->height );
|
|
|
|
pChild->pos.x = (pParentSize->width - pChildSize->width) / 2;
|
|
pChild->pos.y = (pParentSize->height - pChildSize->height) / 2;
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* ss_Init
|
|
*
|
|
* Initialize - called on first entry into ss.
|
|
* Called BEFORE gl is initialized!
|
|
* Just do basic stuff here, like set up callbacks, verify dialog stuff, etc.
|
|
*
|
|
* Fills global SSContext structure with required data, and returns ptr
|
|
* to it.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
SSContext *
|
|
ss_Init( void )
|
|
{
|
|
getIniSettings();
|
|
|
|
VerifyTextureFiles();
|
|
|
|
// Set callbacks
|
|
|
|
ss_InitFunc( maze_Init );
|
|
ss_UpdateFunc( Step );
|
|
ss_ReshapeFunc( Reshape );
|
|
|
|
gssc.depthType = (maze_options.depth_test) ? SS_DEPTH16 : SS_DEPTH_NONE;
|
|
|
|
// Currently stretch and floater mutex
|
|
gssc.bDoubleBuf = TRUE; // will get turned off if stretch used
|
|
if( gbTurboMode ) {
|
|
// We stretch out the drawing area to the full size of the main window
|
|
gssc.bFloater = FALSE;
|
|
gssc.bStretch = TRUE;
|
|
InitStretchInfo( &gssc.stretchInfo );
|
|
} else {
|
|
// A static centered floating window is created in the main window
|
|
FLOATER_INFO *pFloater = &gssc.floaterInfo;
|
|
|
|
gssc.bFloater = TRUE;
|
|
gssc.bStretch = FALSE;
|
|
pFloater->bMotion = FALSE;
|
|
pFloater->ChildSizeFunc = SetFloaterInfo;
|
|
}
|
|
|
|
return &gssc;
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* maze_Init
|
|
*
|
|
* Initializes OpenGL state
|
|
*
|
|
\**************************************************************************/
|
|
void
|
|
maze_Init( void *data )
|
|
{
|
|
float fv4[4];
|
|
|
|
if (!FxInitialize(FA_TABLE_SIZE, 0))
|
|
{
|
|
printf("FxInit failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
glShadeModel( GL_FLAT );
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
|
|
glClearDepth(1);
|
|
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
|
|
|
|
if( (giImageQual == IMAGEQUAL_DEFAULT) || gbTurboMode ) {
|
|
maze_options.bDither = FALSE;
|
|
glDisable( GL_DITHER );
|
|
} else {
|
|
maze_options.bDither = TRUE;
|
|
glEnable( GL_DITHER );
|
|
}
|
|
|
|
// Load textures and set render modes
|
|
LoadTextures();
|
|
|
|
fv4[0] = MAZE_SIZE/2.0f;
|
|
fv4[1] = MAZE_SIZE/2.0f;
|
|
fv4[2] = 10.0f;
|
|
fv4[3] = 1.0f;
|
|
glLightfv(GL_LIGHT0, GL_POSITION, fv4);
|
|
glEnable(GL_LIGHT0);
|
|
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
// Check which texture environment function to use for objects
|
|
if( ss_fOnGL11() )
|
|
gTexEnvMode = GL_REPLACE;
|
|
else
|
|
gTexEnvMode = GL_MODULATE;
|
|
|
|
maze_walls_list = glGenLists(1);
|
|
|
|
UpdateModes();
|
|
}
|