+static void Q3Shaders_Clear()
+{
+ /* Just clear out everything... */
+ Mem_FreePool (&q3shaders_mem);
+ /* ...and alloc the structs again. */
+ q3shaders_mem = Mem_AllocPool("q3shaders", 0, NULL);
+ q3shader_data = (q3shader_data_t*)Mem_Alloc (q3shaders_mem,
+ sizeof (q3shader_data_t));
+ Mem_ExpandableArray_NewArray (&q3shader_data->hash_entries,
+ q3shaders_mem, sizeof (q3shader_hash_entry_t), 256);
+ Mem_ExpandableArray_NewArray (&q3shader_data->char_ptrs,
+ q3shaders_mem, sizeof (char**), 256);
+}
+
+static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
+{
+ unsigned short hash = CRC_Block_CaseInsensitive ((const unsigned char *)shader->name, strlen (shader->name));
+ q3shader_hash_entry_t* entry = q3shader_data->hash + (hash % Q3SHADER_HASH_SIZE);
+ q3shader_hash_entry_t* lastEntry = NULL;
+ while (entry != NULL)
+ {
+ if (strcasecmp (entry->shader.name, shader->name) == 0)
+ {
+ Con_Printf("Shader '%s' already defined\n", shader->name);
+ return;
+ }
+ lastEntry = entry;
+ entry = entry->chain;
+ }
+ if (entry == NULL)
+ {
+ if (lastEntry->shader.name[0] != 0)
+ {
+ /* Add to chain */
+ q3shader_hash_entry_t* newEntry = (q3shader_hash_entry_t*)
+ Mem_ExpandableArray_AllocRecord (&q3shader_data->hash_entries);
+
+ while (lastEntry->chain != NULL) lastEntry = lastEntry->chain;
+ lastEntry->chain = newEntry;
+ newEntry->chain = NULL;
+ lastEntry = newEntry;
+ }
+ /* else: head of chain, in hash entry array */
+ entry = lastEntry;
+ }
+ memcpy (&entry->shader, shader, sizeof (q3shaderinfo_t));
+}
+
+extern cvar_t r_picmipworld;