X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld.cpp;h=30e92297d7402d4b040f09eebc9053b872d1052f;hb=32a2a1231de8438f8408007c41247361b1c52417;hp=675c29ffbb97a284737974053ae61c86cc22fa2c;hpb=950adaa5bdb9bf758400f2c00df623865b6bff1d;p=blank.git

diff --git a/src/world.cpp b/src/world.cpp
index 675c29f..30e9229 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -6,12 +6,12 @@
 
 namespace blank {
 
-World::World()
+World::World(unsigned int seed)
 : blockType()
 , blockShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }})
 , stairShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.0f, 0.0f })
 , slabShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.5f }})
-, generate(0)
+, generate(seed)
 , chunks(blockType, generate)
 , player() {
 	BlockType::Faces block_fill = {  true,  true,  true,  true,  true,  true };
@@ -20,74 +20,96 @@ World::World()
 
 	{ // white block
 		BlockType type(true, { 1.0f, 1.0f, 1.0f }, &blockShape);
+		type.block_light = true;
 		type.fill = block_fill;
 		blockType.Add(type);
 	}
 	{ // white slab
 		BlockType type(true, { 1.0f, 1.0f, 1.0f }, &slabShape);
+		type.block_light = true;
 		type.fill = slab_fill;
 		blockType.Add(type);
 	}
 	{ // white stair
 		BlockType type(true, { 1.0f, 1.0f, 1.0f }, &stairShape);
+		type.block_light = true;
 		type.fill = stair_fill;
 		blockType.Add(type);
 	}
 
 	{ // red block
 		BlockType type(true, { 1.0f, 0.0f, 0.0f }, &blockShape);
+		type.block_light = true;
 		type.fill = block_fill;
 		blockType.Add(type);
 	}
 	{ // red slab
 		BlockType type(true, { 1.0f, 0.0f, 0.0f }, &slabShape);
+		type.block_light = true;
 		type.fill = slab_fill;
 		blockType.Add(type);
 	}
 	{ // red stair
 		BlockType type(true, { 1.0f, 0.0f, 0.0f }, &stairShape);
+		type.block_light = true;
 		type.fill = stair_fill;
 		blockType.Add(type);
 	}
 
 	{ // green block
 		BlockType type(true, { 0.0f, 1.0f, 0.0f }, &blockShape);
+		type.block_light = true;
 		type.fill = block_fill;
 		blockType.Add(type);
 	}
 	{ // green slab
 		BlockType type(true, { 0.0f, 1.0f, 0.0f }, &slabShape);
+		type.block_light = true;
 		type.fill = slab_fill;
 		blockType.Add(type);
 	}
 	{ // green stair
 		BlockType type(true, { 0.0f, 1.0f, 0.0f }, &stairShape);
+		type.block_light = true;
 		type.fill = stair_fill;
 		blockType.Add(type);
 	}
 
 	{ // blue block
 		BlockType type(true, { 0.0f, 0.0f, 1.0f }, &blockShape);
+		type.block_light = true;
 		type.fill = block_fill;
 		blockType.Add(type);
 	}
 	{ // blue slab
 		BlockType type(true, { 0.0f, 0.0f, 1.0f }, &slabShape);
+		type.block_light = true;
 		type.fill = slab_fill;
 		blockType.Add(type);
 	}
 	{ // blue stair
 		BlockType type(true, { 0.0f, 0.0f, 1.0f }, &stairShape);
+		type.block_light = true;
 		type.fill = stair_fill;
 		blockType.Add(type);
 	}
 
+	{ // glowing yellow block
+		BlockType type(true, { 1.0f, 1.0f, 0.0f }, &blockShape);
+		type.luminosity = 10;
+		type.block_light = true;
+		type.fill = block_fill;
+		blockType.Add(type);
+	}
+
 	generate.Space(0);
+	generate.Light(13);
 	generate.Solids({ 1, 4, 7, 10 });
 
-	player.Position({ 4.0f, 4.0f, 4.0f });
+	player = &AddEntity();
+	player->Position({ 4.0f, 4.0f, 4.0f });
 
-	chunks.Generate({ -4, -4, -4 }, { 5, 5, 5});
+	chunks.GenerateSurrounding(player->ChunkCoords());
 }
 
 
@@ -113,7 +135,7 @@ bool World::Intersection(
 
 	for (Chunk &cur_chunk : chunks.Loaded()) {
 		float cur_dist;
-		if (cur_chunk.Intersection(ray, M * cur_chunk.Transform(player.ChunkCoords()), cur_dist)) {
+		if (cur_chunk.Intersection(ray, M * cur_chunk.Transform(player->ChunkCoords()), cur_dist)) {
 			candidates.push_back({ &cur_chunk, cur_dist });
 		}
 	}
@@ -130,7 +152,7 @@ bool World::Intersection(
 		int cur_blkid;
 		float cur_dist;
 		glm::vec3 cur_normal;
-		if (cand.chunk->Intersection(ray, M * cand.chunk->Transform(player.ChunkCoords()), cur_blkid, cur_dist, cur_normal)) {
+		if (cand.chunk->Intersection(ray, M * cand.chunk->Transform(player->ChunkCoords()), cur_blkid, cur_dist, cur_normal)) {
 			if (cur_dist < closest_dist) {
 				closest_chunk = cand.chunk;
 				closest_blkid = cur_blkid;
@@ -156,6 +178,10 @@ bool World::Intersection(
 }
 
 
+Chunk &World::PlayerChunk() {
+	return chunks.ForceLoad(player->ChunkCoords());
+}
+
 Chunk &World::Next(const Chunk &to, const glm::tvec3<int> &dir) {
 	const Chunk::Pos tgt_pos = to.Position() + dir;
 	return chunks.ForceLoad(tgt_pos);
@@ -163,24 +189,38 @@ Chunk &World::Next(const Chunk &to, const glm::tvec3<int> &dir) {
 
 
 void World::Update(int dt) {
-	player.Update(dt);
-	chunks.Rebase(player.ChunkCoords());
+	for (Entity &entity : entities) {
+		entity.Update(dt);
+	}
+	chunks.Rebase(player->ChunkCoords());
 	chunks.Update();
 }
 
 
 void World::Render(DirectionalLighting &program) {
 	program.SetLightDirection({ -1.0f, -3.0f, -2.0f });
-	program.SetView(glm::inverse(player.Transform(player.ChunkCoords())));
+	// fade out reaches 1/e (0.3679) at 1/fog_density,
+	// gets less than 0.01 at e/(2 * fog_density)
+	// I chose 0.011 because it yields 91 and 124 for those, so
+	// slightly less than 6 and 8 chunks
+	program.SetFogDensity(0.011f);
+	program.SetView(glm::inverse(player->Transform(player->ChunkCoords())));
 
 	for (Chunk &chunk : chunks.Loaded()) {
-		glm::mat4 m(chunk.Transform(player.ChunkCoords()));
+		glm::mat4 m(chunk.Transform(player->ChunkCoords()));
 		program.SetM(m);
 		glm::mat4 mvp(program.GetVP() * m);
 		if (!CullTest(Chunk::Bounds(), mvp)) {
 			chunk.Draw();
 		}
 	}
+
+	for (Entity &entity : entities) {
+		if (entity.HasShape()) {
+			program.SetM(entity.Transform(player->ChunkCoords()));
+			entity.Draw();
+		}
+	}
 }
 
 }