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#include <stdio.h>
#include <stdlib.h>
#include <GL/gl.h>
#include <zoom/types.h>
#include <zoom/level.h>
#include <zoom/texture.h>
#include <neofx/math.h>
extern GLuint sphere;
extern GLuint meditex_blue;
extern float objrot;
int LoadLevel(char *filename, LEVEL *level) {
FILE *file;
LEVELHEADER levelheader;
ROOMHEADER roomheader;
int i, j;
unsigned char c;
unsigned char buffer[260];
strcpy(buffer, "levels/");
strcat(buffer, filename);
file = fopen(buffer, "rb");
if(!file) return 0;
fread(&levelheader, sizeof(LEVELHEADER), 1, file);
if(levelheader.l != 'L' || levelheader.f != 'F') {
fclose(file);
return 0;
}
level->nRooms = levelheader.nRooms;
level->rooms = malloc(levelheader.nRooms * sizeof(ROOM));
for(i = 0; i < levelheader.nRooms; i++) {
fread(&roomheader, sizeof(ROOMHEADER), 1, file);
level->rooms[i].nWalls = roomheader.nWalls;
level->rooms[i].walls = malloc(roomheader.nWalls * sizeof(WALL));
fread(level->rooms[i].walls, sizeof(WALL), roomheader.nWalls, file);
level->rooms[i].nObjects = roomheader.nObjects;
level->rooms[i].objects = malloc(roomheader.nObjects * sizeof(OBJECT));
fread(level->rooms[i].objects, sizeof(OBJECT), roomheader.nObjects, file);
level->rooms[i].nGates = roomheader.nGates;
level->rooms[i].gates = malloc(roomheader.nGates * sizeof(GATE));
fread(level->rooms[i].gates, sizeof(GATE), roomheader.nGates, file);
level->rooms[i].gateinfo = malloc(roomheader.nGates * sizeof(GATEINFO));
for(j = 0; j < level->rooms[i].nGates; j++) level->rooms[i].gateinfo[j].state = STATE_CLOSED;
}
level->nTextures = levelheader.nTextures;
level->textures = malloc(levelheader.nTextures * sizeof(GLuint));
for(i = 0; i < levelheader.nTextures; i++) {
fread(&c, 1, 1, file);
fread(buffer, c, 1, file);
buffer[c] = 0;
level->textures[i] = LoadTexture(buffer);
}
fclose(file);
return 1;
}
void DrawRoom(LEVEL *level, int room) {
int i;
int r, g;
GLfloat std_emission[] = {0.0, 0.0, 0.0, 1.0};
GLfloat medipak100_emission[] = {1.0, 0.0, 0.0, 1.0};
WALL t1, t2;
VERTEX p1, p2;
VECTOR v1, v2;
MATRIX transform;
for(i = 0; i < level->rooms[room].nWalls; i++) {
glBindTexture(GL_TEXTURE_2D, level->textures[level->rooms[room].walls[i].texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&level->rooms[room].walls[i].normal);
glTexCoord2fv((GLfloat*)&level->rooms[room].walls[i].texcoords[0]);
glVertex3fv((GLfloat*)&level->rooms[room].walls[i].vertices[0]);
glTexCoord2fv((GLfloat*)&level->rooms[room].walls[i].texcoords[1]);
glVertex3fv((GLfloat*)&level->rooms[room].walls[i].vertices[1]);
glTexCoord2fv((GLfloat*)&level->rooms[room].walls[i].texcoords[2]);
glVertex3fv((GLfloat*)&level->rooms[room].walls[i].vertices[2]);
glEnd();
}
for(i = 0; i < level->rooms[room].nObjects; i++) {
if(!level->rooms[room].objects[i].visible) continue;
switch(level->rooms[room].objects[i].type) {
case OBJECT_MEDIPAK100:
glPushMatrix();
glBindTexture(GL_TEXTURE_2D, meditex_blue);
glMaterialfv(GL_FRONT, GL_EMISSION, medipak100_emission);
glTranslatef(level->rooms[room].objects[i].pos.x, level->rooms[room].objects[i].pos.y, level->rooms[room].objects[i].pos.z);
glRotatef(objrot*10, 0.0, 1.0, 0.0);
glScalef(0.3, 0.3, 0.3);
glCallList(sphere);
glMaterialfv(GL_FRONT, GL_EMISSION, std_emission);
glPopMatrix();
}
}
for(i = 0; i < level->rooms[room].nGates; i++) {
if(level->rooms[room].gateinfo[i].state == STATE_CLOSED) {
glBindTexture(GL_TEXTURE_2D, level->textures[level->rooms[room].gates[i].walls[0].texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&level->rooms[room].gates[i].walls[0].normal);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[0].texcoords[0]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[0].vertices[0]);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[0].texcoords[1]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[0].vertices[1]);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[0].texcoords[2]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[0].vertices[2]);
glEnd();
glBindTexture(GL_TEXTURE_2D, level->textures[level->rooms[room].gates[i].walls[0].texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&level->rooms[room].gates[i].walls[1].normal);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[1].texcoords[0]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[1].vertices[0]);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[1].texcoords[1]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[1].vertices[1]);
glTexCoord2fv((GLfloat*)&level->rooms[room].gates[i].walls[1].texcoords[2]);
glVertex3fv((GLfloat*)&level->rooms[room].gates[i].walls[1].vertices[2]);
glEnd();
}
else if(level->rooms[room].gateinfo[i].state == STATE_OPENING) {
t1 = level->rooms[room].gates[i].walls[0];
t2 = level->rooms[room].gates[i].walls[1];
t1.vertices[2] = VectorAdd(VectorMul(t1.vertices[2], level->rooms[room].gateinfo[i].timer/1000.0),
VectorMul(t1.vertices[1], 1 - (level->rooms[room].gateinfo[i].timer/1000.0)));
t2.vertices[1] = t1.vertices[2];
t2.vertices[2] = VectorAdd(VectorMul(t2.vertices[2], level->rooms[room].gateinfo[i].timer/1000.0),
VectorMul(t2.vertices[0], 1 - (level->rooms[room].gateinfo[i].timer/1000.0)));
t1.texcoords[0].s = t1.texcoords[0].s * level->rooms[room].gateinfo[i].timer/1000.0
+ t2.texcoords[2].s * (1 - level->rooms[room].gateinfo[i].timer/1000.0);
t1.texcoords[0].t = t1.texcoords[0].t * level->rooms[room].gateinfo[i].timer/1000.0
+ t2.texcoords[2].t * (1 - level->rooms[room].gateinfo[i].timer/1000.0);
t1.texcoords[1].s = t1.texcoords[1].s * level->rooms[room].gateinfo[i].timer/1000.0
+ t1.texcoords[2].s * (1 - level->rooms[room].gateinfo[i].timer/1000.0);
t1.texcoords[1].t = t1.texcoords[1].t * level->rooms[room].gateinfo[i].timer/1000.0
+ t1.texcoords[2].t * (1 - level->rooms[room].gateinfo[i].timer/1000.0);
t2.texcoords[0] = t1.texcoords[0];
glBindTexture(GL_TEXTURE_2D, level->textures[t1.texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&t1.normal);
glTexCoord2fv((GLfloat*)&t1.texcoords[0]);
glVertex3fv((GLfloat*)&t1.vertices[0]);
glTexCoord2fv((GLfloat*)&t1.texcoords[1]);
glVertex3fv((GLfloat*)&t1.vertices[1]);
glTexCoord2fv((GLfloat*)&t1.texcoords[2]);
glVertex3fv((GLfloat*)&t1.vertices[2]);
glEnd();
glBindTexture(GL_TEXTURE_2D, level->textures[t2.texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&t2.normal);
glTexCoord2fv((GLfloat*)&t2.texcoords[0]);
glVertex3fv((GLfloat*)&t2.vertices[0]);
glTexCoord2fv((GLfloat*)&t2.texcoords[1]);
glVertex3fv((GLfloat*)&t2.vertices[1]);
glTexCoord2fv((GLfloat*)&t2.texcoords[2]);
glVertex3fv((GLfloat*)&t2.vertices[2]);
glEnd();
r = level->rooms[room].gates[i].room;
g = level->rooms[room].gates[i].gate;
t1 = level->rooms[room].gates[i].walls[0];
t2 = level->rooms[room].gates[i].walls[1];
p1 = level->rooms[room].gates[i].point;
v1 = t1.normal;
t1 = level->rooms[r].gates[g].walls[0];
t2 = level->rooms[r].gates[g].walls[1];
p2 = level->rooms[r].gates[g].point;
v2 = VectorNeg(t1.normal);
glPushMatrix();
transform = VectorMatrix(p1, v1, p2, v2);
glMultMatrixf(transform.f);
DrawRoom(level, r);
glPopMatrix();
}
else if(level->rooms[room].gateinfo[i].state == STATE_CLOSING) {
t1 = level->rooms[room].gates[i].walls[0];
t2 = level->rooms[room].gates[i].walls[1];
t1.vertices[2] = VectorAdd(VectorMul(t1.vertices[2], 1 - (level->rooms[room].gateinfo[i].timer/1000.0)),
VectorMul(t1.vertices[1], level->rooms[room].gateinfo[i].timer/1000.0));
t2.vertices[1] = t1.vertices[2];
t2.vertices[2] = VectorAdd(VectorMul(t2.vertices[2], 1 - (level->rooms[room].gateinfo[i].timer/1000.0)),
VectorMul(t2.vertices[0], level->rooms[room].gateinfo[i].timer/1000.0));
t1.texcoords[0].s = t1.texcoords[0].s * (1 - level->rooms[room].gateinfo[i].timer/1000.0)
+ t2.texcoords[2].s * level->rooms[room].gateinfo[i].timer/1000.0;
t1.texcoords[0].t = t1.texcoords[0].t * (1 - level->rooms[room].gateinfo[i].timer/1000.0)
+ t2.texcoords[2].t * level->rooms[room].gateinfo[i].timer/1000.0;
t1.texcoords[1].s = t1.texcoords[1].s * (1 - level->rooms[room].gateinfo[i].timer/1000.0)
+ t1.texcoords[2].s * level->rooms[room].gateinfo[i].timer/1000.0;
t1.texcoords[1].t = t1.texcoords[1].t * (1 - level->rooms[room].gateinfo[i].timer/1000.0)
+ t1.texcoords[2].t * level->rooms[room].gateinfo[i].timer/1000.0;
t2.texcoords[0] = t1.texcoords[0];
glBindTexture(GL_TEXTURE_2D, level->textures[t1.texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&t1.normal);
glTexCoord2fv((GLfloat*)&t1.texcoords[0]);
glVertex3fv((GLfloat*)&t1.vertices[0]);
glTexCoord2fv((GLfloat*)&t1.texcoords[1]);
glVertex3fv((GLfloat*)&t1.vertices[1]);
glTexCoord2fv((GLfloat*)&t1.texcoords[2]);
glVertex3fv((GLfloat*)&t1.vertices[2]);
glEnd();
glBindTexture(GL_TEXTURE_2D, level->textures[t2.texture]);
glBegin(GL_TRIANGLES);
glNormal3fv((GLfloat*)&t2.normal);
glTexCoord2fv((GLfloat*)&t2.texcoords[0]);
glVertex3fv((GLfloat*)&t2.vertices[0]);
glTexCoord2fv((GLfloat*)&t2.texcoords[1]);
glVertex3fv((GLfloat*)&t2.vertices[1]);
glTexCoord2fv((GLfloat*)&t2.texcoords[2]);
glVertex3fv((GLfloat*)&t2.vertices[2]);
glEnd();
r = level->rooms[room].gates[i].room;
g = level->rooms[room].gates[i].gate;
t1 = level->rooms[room].gates[i].walls[0];
t2 = level->rooms[room].gates[i].walls[1];
p1 = level->rooms[room].gates[i].point;
v1 = t1.normal;
t1 = level->rooms[r].gates[g].walls[0];
t2 = level->rooms[r].gates[g].walls[1];
p2 = level->rooms[r].gates[g].point;
v2 = VectorNeg(t1.normal);
glPushMatrix();
transform = VectorMatrix(p1, v1, p2, v2);
glMultMatrixf(transform.f);
DrawRoom(level, r);
glPopMatrix();
}
else {
r = level->rooms[room].gates[i].room;
g = level->rooms[room].gates[i].gate;
t1 = level->rooms[room].gates[i].walls[0];
t2 = level->rooms[room].gates[i].walls[1];
p1 = level->rooms[room].gates[i].point;
v1 = t1.normal;
t1 = level->rooms[r].gates[g].walls[0];
t2 = level->rooms[r].gates[g].walls[1];
p2 = level->rooms[r].gates[g].point;
v2 = VectorNeg(t1.normal);
glPushMatrix();
transform = VectorMatrix(p1, v1, p2, v2);
glMultMatrixf(transform.f);
DrawRoom(level, r);
glPopMatrix();
}
}
}
void FreeLevel(LEVEL *level) {
int i;
if(level->nRooms) {
for(i = 0; i < level->nRooms; i++) {
if(level->rooms[i].nWalls) free(level->rooms[i].walls);
if(level->rooms[i].nObjects) free(level->rooms[i].objects);
if(level->rooms[i].nGates) free(level->rooms[i].gates);
}
free(level->rooms);
}
}
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