Restructured passes

material.odin

@@ -1,16 +1,41 @@
 package renderer
 
+import "core:log"
+import "core:fmt"
+
+MATERIAL_MAX_TEXTURES :: 32
+
 Material :: struct {
-    // 'Name'?
+    // TODO: SS - 'Name'?
     shader_program: ^Shader_Program,
-    texture: ^Texture, // Diffuse, normal etc later.
-    // uniforms, textures, etc.
+
+    textures: [MATERIAL_MAX_TEXTURES]^Texture,
+    texture_count: u8,
 }
 
-create_material :: proc(program: ^Shader_Program, texture0: ^Texture) -> (Material, bool) {
+create_material :: proc(program: ^Shader_Program, textures: []^Texture) -> (Material, bool) {
     m: Material
     m.shader_program = program
-    m.texture = texture0
+    
+    for t, i in textures {
+        if t == nil {
+            log.warnf("Found nil texture at index %v in when creating material.", i)
+            continue
+        }
+
+        if m.texture_count >= MATERIAL_MAX_TEXTURES {
+            log.warnf("Too many textures passed when creating material. Max is %v.", MATERIAL_MAX_TEXTURES)
+            break
+        }
+
+        m.textures[m.texture_count] = t
+        m.texture_count += 1
+    }
+
+    if m.texture_count == 0 {
+        log.warn("No textures passed when creating material.")
+        // TODO: SS - Should we return false here?
+    }
 
     return m, true
 }