1 files changed, 138 insertions, 0 deletions
diff --git a/src/video/graphics_world.c b/src/video/graphics_world.c
new file mode 100644
index 0000000..d67fb0b
--- /dev/null
+++ b/src/video/graphics_world.c
@@ -0,0 +1,138 @@
+#include "video/video.h"
+#include "game/game.h"
+
+void drawWalls(void) {
+#undef WALL_H
+#define WALL_H 48
+  float t;
+  float h;
+
+  t = game2->rules.grid_size / 240.0f;
+  if (gSettingsCache.stretch_textures) {
+    h = t * WALL_H;
+    t = 1.0;
+  } else h = WALL_H;
+
+  glColor4f(1.0, 1.0, 1.0, 1.0);
+
+  /*
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  */
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_TEXTURE_2D);
+  glEnable(GL_BLEND);
+#define T_TOP 1.0f
+  glBindTexture(GL_TEXTURE_2D, gScreen->textures[TEX_WALL1]);
+  glBegin(GL_QUADS);
+  glTexCoord2f(t, 0.0); glVertex3f(0.0, 0.0, 0.0);
+  glTexCoord2f(t, T_TOP); glVertex3f(0.0, 0.0, h);
+  glTexCoord2f(0.0, T_TOP); glVertex3f(game2->rules.grid_size, 0.0, h);
+  glTexCoord2f(0.0, 0.0); glVertex3f(game2->rules.grid_size, 0.0, 0.0);
+  glEnd();
+  
+  glBindTexture(GL_TEXTURE_2D, gScreen->textures[TEX_WALL2]);
+  glBegin(GL_QUADS);
+  glTexCoord2f(t, 0.0); glVertex3f(game2->rules.grid_size, 0.0, 0.0);
+  glTexCoord2f(t, T_TOP); glVertex3f(game2->rules.grid_size, 0.0, h);
+  glTexCoord2f(0.0, T_TOP); 
+  glVertex3f(game2->rules.grid_size, game2->rules.grid_size, h);
+  glTexCoord2f(0.0, 0.0); 
+  glVertex3f(game2->rules.grid_size, game2->rules.grid_size, 0.0);
+  glEnd();
+  
+  glBindTexture(GL_TEXTURE_2D, gScreen->textures[TEX_WALL3]);
+  glBegin (GL_QUADS);
+  glTexCoord2f(t, 0.0); 
+  glVertex3f(game2->rules.grid_size, game2->rules.grid_size, 0.0);
+  glTexCoord2f(t, T_TOP); 
+  glVertex3f(game2->rules.grid_size, game2->rules.grid_size, h);
+  glTexCoord2f(0.0, T_TOP); glVertex3f(0.0, game2->rules.grid_size, h);
+  glTexCoord2f(0.0, 0.0); glVertex3f(0.0, game2->rules.grid_size, 0.0);
+  glEnd();
+  
+  glBindTexture(GL_TEXTURE_2D, gScreen->textures[TEX_WALL4]);
+  glBegin(GL_QUADS);
+  glTexCoord2f(t, 0.0); glVertex3f(0.0, game2->rules.grid_size, 0.0);
+  glTexCoord2f(t, T_TOP); glVertex3f(0.0, game2->rules.grid_size, h);
+  glTexCoord2f(0.0, T_TOP); glVertex3f(0.0, 0.0, h);
+  glTexCoord2f(0.0, 0.0); glVertex3f(0.0, 0.0, 0.0); 
+#undef T_TOP
+  glEnd();
+  polycount += 8;
+
+  glDisable(GL_BLEND);
+  glDisable(GL_TEXTURE_2D);
+  glDisable(GL_CULL_FACE);
+}
+
+/*!
+ * drawFloorTextured 
+ *
+ * \return number of polygons drawn
+ *
+ * Draws the arena floor covered with a repeating floor texture
+ */
+
+int drawFloorTextured(int grid_size, GLuint texture) {
+  int i, j, l, t;
+  
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glEnable(GL_TEXTURE_2D);
+  glBindTexture(GL_TEXTURE_2D, texture);
+
+    /* there are some strange clipping artefacts on some renderers */
+    /* try subdividing things... */
+
+    glColor4f(1.0, 1.0, 1.0, 1.0);
+    l = grid_size / 4;
+    t = l / 12;
+    
+    //  glBegin(GL_QUADS);
+    for (i = 0; i < grid_size; i += l) {
+      glBegin(GL_QUADS);
+      for (j = 0; j < grid_size; j += l) {
+        glTexCoord2i(0, 0);
+        glVertex2i(i, j);
+        glTexCoord2i(t, 0);
+        glVertex2i(i + l, j);
+        glTexCoord2i(t, t);
+        glVertex2i(i + l, j + l);
+        glTexCoord2i(0, t);
+        glVertex2i(i, j + l);
+      }
+      glEnd();
+    }
+    // glEnd();
+   
+    glDisable(GL_TEXTURE_2D);
+    return grid_size * grid_size;
+}
+
+void drawFloorGrid(int grid_size,  int line_spacing, 
+                   float line_color[4], float square_color[4]) {
+  int i, j;
+
+  glColor3fv(line_color);
+  
+  glFogfv(GL_FOG_COLOR, square_color);
+  glFogi(GL_FOG_MODE, GL_LINEAR);
+  glFogi(GL_FOG_START, 100);
+  glFogi(GL_FOG_END, 350);
+
+  glEnable(GL_FOG);
+
+  glBegin(GL_LINES);
+  for (i = 0; i < grid_size; i += line_spacing) {
+    for (j = 0; j < grid_size; j += line_spacing) {
+      glVertex3i(i, j, 0);
+      glVertex3i(i + line_spacing, j, 0);
+      glVertex3i(i, j, 0);
+      glVertex3i(i, j + line_spacing, 0);
+    }
+  }
+  glEnd();
+
+  glDisable(GL_FOG);
+}