From 7d5c1adf8e581599848b3fec54e0af88eb469046 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 8 May 2011 15:02:30 +0200
Subject: Working dynamic generation of terrain.

---
 scene.cpp | 46 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 32 insertions(+), 14 deletions(-)

(limited to 'scene.cpp')

diff --git a/scene.cpp b/scene.cpp
index b67468b..8d7301d 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -15,6 +15,7 @@
 Scene::Scene() {
 	running = true;
 	grid = false;
+	normals = false;
 	terrain = true;
 	gravity = true;
 
@@ -48,10 +49,7 @@ Scene::Scene() {
 	marker_texture = load_texture("textures/cross.png");
 
 	/* init quadtree */
-	int w = 1025;
-	int h = 1025;
-	float *heightmap = Terrain::generate_heights(0, 0, w, h);
-	qt = new Quadtree(w, h, heightmap);
+	qt = new Quadtree();
 
 	/* load font */
 	font = new FTTextureFont("fonts/VeraMono.ttf");
@@ -156,6 +154,9 @@ void Scene::events() {
 					case SDLK_g:
 						grid = !grid;
 						break;
+					case SDLK_n:
+						normals = !normals;
+						break;
 					case SDLK_t:
 						terrain = !terrain;
 						break;
@@ -340,17 +341,19 @@ void Scene::render() {
 		glActiveTexture(GL_TEXTURE3);
 		glBindTexture(GL_TEXTURE_2D, marker_texture);
 
-		std::queue<Quadtree::QuadChunk*> q;
+		/*std::queue<Quadtree::QuadChunk*> q;
 		q.push(qt->root);
 		while(!q.empty()) {
 			Quadtree::QuadChunk *chunk = q.front();
-			q.pop();
-			if(!chunk->nodes) {
+			q.pop();*/
+		for(std::list<Quadtree::QuadChunk*>::iterator it = qt->chunks.begin(); it != qt->chunks.end(); it++) {
+			Quadtree::QuadChunk *chunk = *it;
+			/*if(!chunk->nodes) {
 				for(int i = 0; i < 4; i++)
 					q.push(chunk->children[i]);
 				continue;
 			} else if(!chunk->vbo_object)
-				continue;
+				continue;*/
 			chunks_rendered++;
 			glPushMatrix();
 			glTranslatef(-pos.x + chunk->x, -pos.y, -pos.z + chunk->y);
@@ -382,19 +385,34 @@ void Scene::render() {
 			glColor3f(0, 0, 0);
 		else
 			glColor3f(1, 1, 1);
-		std::queue<Quadtree::QuadChunk*> q;
+		/*std::queue<Quadtree::QuadChunk*> q;
 		q.push(qt->root);
 		while(!q.empty()) {
 			Quadtree::QuadChunk *chunk = q.front();
-			q.pop();
-			if(!chunk->nodes) {
+			q.pop();*/
+		for(std::list<Quadtree::QuadChunk*>::iterator it = qt->chunks.begin(); it != qt->chunks.end(); it++) {
+			Quadtree::QuadChunk *chunk = *it;
+			glPushMatrix();
+			glTranslatef(-pos.x, -pos.y, -pos.z);
+			/*if(!chunk->nodes) {
 				for(int i = 0; i < 4; i++)
 					q.push(chunk->children[i]);
 				continue;
-			} else if(chunk->vbo_object) {
+			} else*/ if(chunk->vbo_object) {
 				for(unsigned int i = 0; i < chunk->node_count; i++)
 					chunk->nodes[i]->draw_grid();
 			}
+			glPopMatrix();
+		}
+	}
+	if(normals) {
+		for(std::list<Quadtree::QuadChunk*>::iterator it = qt->chunks.begin(); it != qt->chunks.end(); it++) {
+			Quadtree::QuadChunk *chunk = *it;
+			glPushMatrix();
+			glTranslatef(-pos.x, -pos.y, -pos.z);
+			for(unsigned int i = 0; i < chunk->node_count; i++)
+				chunk->nodes[i]->draw_normal();
+			glPopMatrix();
 		}
 	}
 
@@ -411,8 +429,8 @@ void Scene::render() {
 	float height = font->LineHeight();
 	glColor3f(1, 1, 1);
 	glTranslatef(0, video::height-height, 0);
-	font->Render((boost::format("%dx%d  chunks: %d  gravity: %d  steps: %d")
-				% qt->width % qt->height % chunks_rendered % gravity % steps).str().c_str());
+	font->Render((boost::format("chunks: %d  gravity: %d  steps: %d")
+				% chunks_rendered % gravity % steps).str().c_str());
 	//font->Render((boost::format("%dx%d  %d levels  %d nodes  tree creation time: %f  steps: %d  update: %d")
 	//			% scene.qt->width % scene.qt->height % scene.qt->levels % scene.qt->nodes % scene.qt->init_time % steps % scene.qt->thread_running).str().c_str());
 	//glTranslatef(0, height, 0);
-- 
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