library: itemicon colour() api

Adamcake · Dec 1, 2024 · b27b30d · b27b30d
1 parent c3a74a0
commit b27b30d
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Showing 3 changed files with 17 additions and 1 deletion.
diff --git a/src/library/gl.c b/src/library/gl.c
@@ -1537,6 +1537,7 @@ void _bolt_gl_onDrawElements(GLenum mode, GLsizei count, GLenum type, const void
                         }
                         int32_t xy0[2];
                         int32_t xy2[2];
+                        float abgr[4];
                         _bolt_get_attr_binding_int(c, vertex_userdata.position, indices[i], 2, xy0);
                         _bolt_get_attr_binding_int(c, vertex_userdata.position, indices[i + 2], 2, xy2);
                         struct RenderItemIconEvent event;
@@ -1545,6 +1546,10 @@ void _bolt_gl_onDrawElements(GLenum mode, GLsizei count, GLenum type, const void
                         event.target_y = (int16_t)((int32_t)batch.screen_height - xy2[1]);
                         event.target_w = (uint16_t)(xy0[0] - xy2[0]);
                         event.target_h = (uint16_t)(xy2[1] - xy0[1]);
+                        _bolt_get_attr_binding(c, vertex_userdata.colour, indices[i], 4, abgr);
+                        for (size_t i = 0; i < 4; i += 1) {
+                            event.rgba[i] = abgr[3 - i];
+                        }
                         _bolt_plugin_handle_rendericon(&event);
                         batch_start = i + batch.vertices_per_icon;
                     }

diff --git a/src/library/plugin/plugin.h b/src/library/plugin/plugin.h
@@ -302,6 +302,7 @@ struct RenderItemIconEvent {
     uint16_t target_y;
     uint16_t target_w;
     uint16_t target_h;
+    float rgba[4];
 };
 
 struct MinimapTerrainEvent {

diff --git a/src/library/plugin/plugin_api.c b/src/library/plugin/plugin_api.c
@@ -1248,7 +1248,7 @@ static int api_rendericon_modelvertexpoint(lua_State* state) {
 }
 
 static int api_rendericon_modelvertexcolour(lua_State* state) {
-    const struct RenderItemIconEvent* event = require_self_userdata(state, "modelvertexpoint");
+    const struct RenderItemIconEvent* event = require_self_userdata(state, "modelvertexcolour");
     const size_t model = luaL_checkinteger(state, 2);
     const size_t vertex = luaL_checkinteger(state, 3);
     for (size_t i = 0; i < 4; i += 1) {
@@ -1257,6 +1257,14 @@ static int api_rendericon_modelvertexcolour(lua_State* state) {
     return 4;
 }
 
+static int api_rendericon_colour(lua_State* state) {
+    const struct RenderItemIconEvent* event = require_self_userdata(state, "colour");
+    for (size_t i = 0; i < 4; i += 1) {
+        lua_pushnumber(state, event->rgba[i]);
+    }
+    return 4;
+}
+
 static int api_rendericon_modelviewmatrix(lua_State* state) {
     const struct RenderItemIconEvent* event = require_self_userdata(state, "modelviewmatrix");
     const size_t model = luaL_checkinteger(state, 2);
@@ -1648,6 +1656,8 @@ static struct ApiFuncTemplate rendericon_functions[] = {
     BOLTFUNC(modelprojectionmatrix, rendericon),
     BOLTFUNC(modelviewprojmatrix, rendericon),
     BOLTALIAS(modelvertexcolour, modelvertexcolor, rendericon),
+    BOLTFUNC(colour, rendericon),
+    BOLTALIAS(colour, color, rendericon),
 };
 
 static struct ApiFuncTemplate minimapterrain_functions[] = {