wip

PilotLightTech · Jun 22, 2024 · b7b6b79 · b7b6b79
1 parent 0ce7207
commit b7b6b79
Showing 1 changed file with 33 additions and 4 deletions.
diff --git a/editor/editor.c b/editor/editor.c
@@ -52,7 +52,7 @@ Index of this file:
 
 typedef struct _plAppData plAppData;
 static void pl_show_ecs_window(plAppData*, bool* pbShowWindow);
-static void pl_render_translation_gizmo(plDrawList3D*, const plVec3* ptCenter, const plVec3* ptCameraPos);
+static void pl_render_translation_gizmo(plDrawList3D*, const plVec3* ptCenter, const plCameraComponent* ptCamera);
 static void pl_render_rotation_gizmo(plDrawList3D*, const plVec3* ptCenter, const plVec3* ptCameraPos);
 static void pl_render_scale_gizmo(plDrawList3D*, const plVec3* ptCenter, const plVec3* ptCameraPos);
 
@@ -387,6 +387,34 @@ pl_app_update(plAppData* ptAppData)
         pl_show_ecs_window(ptAppData, &ptAppData->bShowEntityWindow);
     }
 
+    {
+        static bool bSelected = false;
+
+        static plVec3 tInitialPos = {0};
+        static plVec3 tFinalPos = {0};
+
+        bool bOwnMouse = gptIO->get_io()->bWantCaptureMouse;
+        if(!bOwnMouse && gptIO->is_mouse_clicked(PL_MOUSE_BUTTON_LEFT, false))
+        {
+            plVec2 tMousePos = gptIO->get_mouse_pos();
+
+            plMat4 tBlah = pl_mul_mat4(&ptCamera->tProjMat, &ptCamera->tViewMat);
+            tBlah = pl_mat4_invert(&tBlah);
+
+            plVec4 tNDC = {-1.0f + 2.0f * tMousePos.x / gptIO->get_io()->afMainViewportSize[0], -1.0f + 2.0f * tMousePos.y / gptIO->get_io()->afMainViewportSize[1], 1.0f, 1.0f};
+            tNDC = pl_mul_mat4_vec4(&tBlah, tNDC);
+            tNDC = pl_div_vec4_scalarf(tNDC, tNDC.w);
+            tFinalPos = tNDC.xyz;
+            tInitialPos = ptCamera->tPos;
+            bSelected = true;
+        }
+
+        if(bSelected)
+        {
+            gptDraw->add_3d_line(gptRenderer->get_debug_drawlist(ptAppData->uSceneHandle0, ptAppData->uViewHandle0), tInitialPos, tFinalPos, (plVec4){1.0f, 1.0f, 0.0f, 1.0f}, 0.02f);
+        }
+    }
+
     if(ptAppData->tSelectedEntity.uIndex != UINT32_MAX)
     {
         plObjectComponent* ptSelectedObject = gptEcs->get_component(ptMainComponentLibrary, PL_COMPONENT_TYPE_OBJECT, ptAppData->tSelectedEntity);
@@ -397,7 +425,7 @@ pl_app_update(plAppData* ptAppData)
         {
             plDrawList3D* ptGizmoDrawlist = gptRenderer->get_gizmo_drawlist(ptAppData->uSceneHandle0, ptAppData->uViewHandle0);
             if(ptAppData->tSelectionMode == PL_SELECTION_MODE_TRANSLATION)
-                pl_render_translation_gizmo(ptGizmoDrawlist, &ptSelectedTransform->tWorld.col[3].xyz, &ptCamera->tPos);
+                pl_render_translation_gizmo(ptGizmoDrawlist, &ptSelectedTransform->tWorld.col[3].xyz, ptCamera);
             else if(ptAppData->tSelectionMode == PL_SELECTION_MODE_ROTATION)
                 pl_render_rotation_gizmo(ptGizmoDrawlist, &ptSelectedTransform->tWorld.col[3].xyz, &ptCamera->tPos);
             else if(ptAppData->tSelectionMode == PL_SELECTION_MODE_SCALE)
@@ -507,6 +535,7 @@ pl_app_update(plAppData* ptAppData)
 
     // add full screen quad for offscreen render
     gptDraw->add_image(ptAppData->ptDrawLayer, gptRenderer->get_view_color_texture(ptAppData->uSceneHandle0, ptAppData->uViewHandle0), (plVec2){0}, (plVec2){ptIO->afMainViewportSize[0], ptIO->afMainViewportSize[1]});
+
     gptDraw->submit_2d_layer(ptAppData->ptDrawLayer);
 
     gptRenderer->end_frame();
@@ -520,9 +549,9 @@ pl_app_update(plAppData* ptAppData)
 //-----------------------------------------------------------------------------
 
 static void
-pl_render_translation_gizmo(plDrawList3D* ptDrawlist, const plVec3* ptCenter, const plVec3* ptCameraPos)
+pl_render_translation_gizmo(plDrawList3D* ptDrawlist, const plVec3* ptCenter, const plCameraComponent* ptCamera)
 {
-    const float fScale = pl_length_vec3(pl_sub_vec3(*ptCenter, *ptCameraPos));
+    const float fScale = pl_length_vec3(pl_sub_vec3(*ptCenter, ptCamera->tPos));
     const float fAxisRadius  = 0.0035f * fScale;
     const float fArrowRadius = 0.0075f * fScale;
     const float fArrowLength = 0.03f * fScale;