From f3ad14224e27f2a25196575e3c43ebc792c90894 Mon Sep 17 00:00:00 2001
From: Juan Linietsky
Date: Thu, 14 Dec 2017 08:59:46 -0300
Subject: -Add lightmapper -Fixes to unwrapper (remove degenerates), makes
 Thekla not crash -Added optional cancel button in EditorProgress -Added
 function to force processing of events (needed for cancel button)

---
 editor/plugins/baked_lightmap_editor_plugin.cpp | 95 +++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 editor/plugins/baked_lightmap_editor_plugin.cpp

(limited to 'editor/plugins/baked_lightmap_editor_plugin.cpp')

diff --git a/editor/plugins/baked_lightmap_editor_plugin.cpp b/editor/plugins/baked_lightmap_editor_plugin.cpp
new file mode 100644
index 000000000..9ae3a4c77
--- /dev/null
+++ b/editor/plugins/baked_lightmap_editor_plugin.cpp
@@ -0,0 +1,95 @@
+#include "baked_lightmap_editor_plugin.h"
+
+void BakedLightmapEditorPlugin::_bake() {
+
+	if (lightmap) {
+		BakedLightmap::BakeError err;
+		if (get_tree()->get_edited_scene_root() && get_tree()->get_edited_scene_root() == lightmap) {
+			err = lightmap->bake(lightmap);
+		} else {
+			err = lightmap->bake(lightmap->get_parent());
+		}
+
+		switch (err) {
+			case BakedLightmap::BAKE_ERROR_NO_SAVE_PATH:
+				EditorNode::get_singleton()->show_warning(TTR("Can't determine a save path for lightmap images.\nSave your scene (for images to be saved in the same dir), or pick a save path from the BakedLightmap properties."));
+				break;
+			case BakedLightmap::BAKE_ERROR_NO_MESHES:
+				EditorNode::get_singleton()->show_warning(TTR("No meshes to bake. Make sure they contain an UV2 channel and that the 'Bake Light' flag is on."));
+				break;
+			case BakedLightmap::BAKE_ERROR_CANT_CREATE_IMAGE:
+				EditorNode::get_singleton()->show_warning(TTR("Failed creating lightmap images, make sure path is writable."));
+				break;
+			defaut : {}
+		}
+	}
+}
+
+void BakedLightmapEditorPlugin::edit(Object *p_object) {
+
+	BakedLightmap *s = Object::cast_to<BakedLightmap>(p_object);
+	if (!s)
+		return;
+
+	lightmap = s;
+}
+
+bool BakedLightmapEditorPlugin::handles(Object *p_object) const {
+
+	return p_object->is_class("BakedLightmap");
+}
+
+void BakedLightmapEditorPlugin::make_visible(bool p_visible) {
+
+	if (p_visible) {
+		bake->show();
+	} else {
+
+		bake->hide();
+	}
+}
+
+EditorProgress *BakedLightmapEditorPlugin::tmp_progress = NULL;
+
+void BakedLightmapEditorPlugin::bake_func_begin(int p_steps) {
+
+	ERR_FAIL_COND(tmp_progress != NULL);
+
+	tmp_progress = memnew(EditorProgress("bake_lightmaps", TTR("Bake Lightmaps"), p_steps, true));
+}
+
+bool BakedLightmapEditorPlugin::bake_func_step(int p_step, const String &p_description) {
+
+	ERR_FAIL_COND_V(tmp_progress == NULL, false);
+	return tmp_progress->step(p_description, p_step);
+}
+
+void BakedLightmapEditorPlugin::bake_func_end() {
+	ERR_FAIL_COND(tmp_progress == NULL);
+	memdelete(tmp_progress);
+	tmp_progress = NULL;
+}
+
+void BakedLightmapEditorPlugin::_bind_methods() {
+
+	ClassDB::bind_method("_bake", &BakedLightmapEditorPlugin::_bake);
+}
+
+BakedLightmapEditorPlugin::BakedLightmapEditorPlugin(EditorNode *p_node) {
+
+	editor = p_node;
+	bake = memnew(Button);
+	bake->set_icon(editor->get_gui_base()->get_icon("BakedLight", "EditorIcons"));
+	bake->set_text(TTR("Bake Lightmaps"));
+	bake->hide();
+	bake->connect("pressed", this, "_bake");
+	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, bake);
+	lightmap = NULL;
+
+	BakedLightmap::bake_begin_function = bake_func_begin;
+	BakedLightmap::bake_step_function = bake_func_step;
+	BakedLightmap::bake_end_function = bake_func_end;
+}
+
+BakedLightmapEditorPlugin::~BakedLightmapEditorPlugin() {
+}
-- 
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