Function AllocateProceduralForTexture

Descent3/gametexture.cpp:409–451

Allocates memory for a procedural that is attached to a texture

// Allocates memory for a procedural that is attached to a texture
int AllocateProceduralForTexture(int handle) {
  int w, h;

  if (GameTextures[handle].flags & TF_TEXTURE_64) {
    w = h = 64;
  } else if (GameTextures[handle].flags & TF_TEXTURE_32) {
    w = h = 32;
  } else {
    w = h = 128;
  }

  GameTextures[handle].procedural = (proc_struct *)mem_malloc(sizeof(proc_struct));
  ASSERT(GameTextures[handle].procedural);

  GameTextures[handle].procedural->proc1 = NULL;
  GameTextures[handle].procedural->proc2 = NULL;

  GameTextures[handle].procedural->last_evaluation_time = 0;
  GameTextures[handle].procedural->osc_time = 0;
  GameTextures[handle].procedural->osc_value = 8;

  GameTextures[handle].procedural->procedural_bitmap = bm_AllocBitmap(w, h, 0);
  ASSERT(GameTextures[handle].procedural->procedural_bitmap >= 0);

  GameTextures[handle].procedural->memory_type = PROC_MEMORY_TYPE_NONE;

  GameTextures[handle].procedural->palette = (uint16_t *)mem_malloc(256 * 2);

  GameTextures[handle].procedural->last_procedural_frame = -1;
  GameTextures[handle].procedural->heat = 128;

  GameTextures[handle].procedural->dynamic_proc_elements = -1;
  GameTextures[handle].procedural->static_proc_elements = NULL;

  GameTextures[handle].procedural->num_static_elements = 0;

  GameTextures[handle].procedural->light = 1;
  GameTextures[handle].procedural->thickness = 4;

  memcpy(GameTextures[handle].procedural->palette, DefaultProcPalette, 256 * 2);

  return 1;
}

// Allocates the memory needed for static elements for a procedural texture
void AllocateStaticProceduralsForTexture(int handle, int num_elements) {