Added the ability to place new light objects in the world, lights don't work yet.

code/redalert/light.cpp

@@ -0,0 +1,129 @@
+// light.cpp
+//
+
+#include "function.h"
+#include "image.h"
+
+void Light_t::PlaceLight(int screenx, int screeny) {
+	isPending = false;
+	COORDINATE lightCoord;
+
+	CellClass::ConvertIsoCoordsToScreen(screenx, screeny);
+
+	position = Map.Closest_Free_Spot(Map.Pixel_To_Coord(screenx, screeny));
+}
+
+bool Light_t::GetRenderPosition(int& x, int& y) {
+	Map.Coord_To_Pixel(position, x, y);
+	CellClass::ConvertCoordsToIsometric(x, y);
+	
+	return true;
+}
+
+
+LightManager lightManager;
+
+LightManager::LightManager() {
+	FreeAllLights();
+}
+
+void LightManager::Init(void) {
+	lightEditorIcon = Image_LoadImage("ui/edwin/lightbulb.png");
+}
+
+void LightManager::RenderLights(void) {
+	for(int i = 0; i < MAX_WORLD_LIGHTS; i++) {
+		if (!lights[i].active) {
+			continue;
+		}
+
+		if(!lights[i].isPending) {
+			int screenx, screeny;
+			lights[i].GetRenderPosition(screenx, screeny);
+			GL_RenderImage(lightEditorIcon, screenx, screeny, 30, 30);
+		}
+	}
+}
+
+void LightManager::FreeAllLights(void) {
+	memset(lights, 0, sizeof(lights));
+}
+
+Light_t* LightManager::AllocateLight(void) {
+	for(int i = 0; i < MAX_WORLD_LIGHTS; i++) {
+		if(!lights[i].active) {
+			lights[i].active = true;
+			lights[i].lightNum = i;
+			return &lights[i];
+		}
+	}
+
+	assert(!"Too many lights in the scene!");
+	return NULL;
+}
+
+Light_t *LightManager::PlaceLight(char *name, int x, int y, float r, float g, float b, float radius, LightType_t type) {
+	Light_t* light = AllocateLight();
+
+	if(!light) {
+		return NULL;
+	}
+
+	if(name == NULL) {
+		sprintf(light->name, "light%d", light->lightNum);
+	}
+	else {
+		strcpy(light->name, name);
+	}
+	light->position = XYP_Coord(x, y);
+	light->color.x = r;
+	light->color.y = g;
+	light->color.z = b;
+	light->radius = radius;
+	light->type = type;
+
+	return light;
+}
+
+void LightManager::FreeLight(Light_t* light) {
+	light->active = false;
+}
+
+void LightManager::Write_Scenerio_Lights(CCINIClass* ini) {
+	ini->Clear("Lights");
+
+	// Write out the lights.
+	for (int i = 0; i < MAX_WORLD_LIGHTS; i++) {
+		if (lights[i].active == false) {
+			continue;
+		}
+
+		char buffer[2048];
+		char name[256];
+		sprintf(buffer, "%s,%d,%f,%f,%f,%f,%d", lights[i].name, lights[i].position, lights[i].color.x, lights[i].color.y, lights[i].color.z, lights[i].radius, lights[i].type);
+		sprintf(name, "%d", i);
+		ini->Put_String("Lights",name,buffer);
+	}
+}
+
+void LightManager::Read_Scenerio_Lights(CCINIClass* ini) {
+	char buf[2048];
+
+	int len = ini->Entry_Count("Lights");
+	for (int index = 0; index < len; index++) {
+		char const* entry = ini->Get_Entry("Lights", index);
+
+		/*
+		**	Get a lighting entry.
+		*/
+		ini->Get_String("Lights", entry, NULL, buf, sizeof(buf));
+		Light_t* light = AllocateLight();
+		strcpy(light->name, strtok(buf, ","));
+		light->position = atoi(strtok(NULL, ","));
+		light->color.x = atof(strtok(NULL, ","));
+		light->color.y = atof(strtok(NULL, ","));
+		light->color.z = atof(strtok(NULL, ","));
+		light->radius = atof(strtok(NULL, ","));
+		light->type = (LightType_t)atoi(strtok(NULL, ","));
+	}
+}