Scene loading/saving improvements, transform gizmo, entity creation

renderer/shaders.jai

@@ -0,0 +1,46 @@
+TRANSFORM_GIZMO_SHADER :: #string BEGIN
+cbuffer CameraData : register(b0)
+{
+    float4x4 projection;
+    float4x4 view;
+};
+
+cbuffer Model : register(b1)
+{
+    float4x4 model;
+};
+
+cbuffer Material : register(b2) 
+{
+    float4 color;
+};
+
+struct PSInput {
+    float4 position : SV_POSITION;
+};
+
+struct PS_OUTPUT {
+    float4 color : SV_Target0;
+};
+
+PSInput VS(float3 pos : POSITION) {
+    float4 position = float4(pos.x, pos.y, pos.z, 1.0);
+    PSInput input;
+
+    input.position  = mul(position, model);
+    input.position  = mul(input.position, view);
+    input.position  = mul(input.position, projection);
+
+    return input;
+}
+
+PS_OUTPUT PS(PSInput input) {
+    PS_OUTPUT output;
+
+    output.color.rgb = color.rgb;
+    output.color.a = 1.0;
+
+    return output;
+}
+
+BEGIN