#include "Block.hpp"
+#include "BlockGravity.hpp"
#include "BlockType.hpp"
#include "BlockTypeRegistry.hpp"
-#include "../model/geometry.hpp"
+#include "../io/TokenStreamReader.hpp"
+#include "../model/ShapeRegistry.hpp"
+#include "../shared/ResourceIndex.hpp"
+#include <iostream>
+#include <stdexcept>
#include <glm/gtx/euler_angles.hpp>
+#include <glm/gtx/norm.hpp>
#include <glm/gtx/transform.hpp>
namespace blank {
-const NullShape BlockType::DEFAULT_SHAPE;
+std::ostream &operator <<(std::ostream &out, const Block &block) {
+ return out << "Block(" << block.type << ", " << block.GetFace() << ", " << block.GetTurn() << ')';
+}
+
+std::ostream &operator <<(std::ostream &out, const Block::Face &face) {
+ switch (face) {
+ case Block::FACE_UP:
+ out << "FACE_UP";
+ break;
+ case Block::FACE_DOWN:
+ out << "FACE_DOWN";
+ break;
+ case Block::FACE_RIGHT:
+ out << "FACE_RIGHT";
+ break;
+ case Block::FACE_LEFT:
+ out << "FACE_LEFT";
+ break;
+ case Block::FACE_FRONT:
+ out << "FACE_FRONT";
+ break;
+ case Block::FACE_BACK:
+ out << "FACE_BACK";
+ break;
+ default:
+ case Block::FACE_COUNT:
+ out << "invalid Block::Face";
+ break;
+ }
+ return out;
+}
+
+std::ostream &operator <<(std::ostream &out, const Block::Turn &turn) {
+ switch (turn) {
+ case Block::TURN_NONE:
+ out << "TURN_NONE";
+ break;
+ case Block::TURN_LEFT:
+ out << "TURN_LEFT";
+ break;
+ case Block::TURN_AROUND:
+ out << "TURN_AROUND";
+ break;
+ case Block::TURN_RIGHT:
+ out << "TURN_RIGHT";
+ break;
+ default:
+ case Block::TURN_COUNT:
+ out << "invalid Block::Turn";
+ break;
+ }
+ return out;
+}
-BlockType::BlockType(bool v, const glm::vec3 &col, const Shape *s) noexcept
-: shape(s)
-, color(col)
-, outline_color(-1, -1, -1)
+
+BlockType::BlockType() noexcept
+: shape(nullptr)
+, textures()
+, hsl_mod(0, 255, 255)
+, rgb_mod(255, 255, 255)
+, outline_color(0, 0, 0, 255)
+, gravity()
+, name("anonymous")
+, label("some block")
+, place_sound(-1)
+, remove_sound(-1)
, id(0)
, luminosity(0)
-, visible(v)
-, block_light(false)
-, fill({ false, false, false, false, false, false }) {
+, visible(true)
+, block_light(true)
+, collision(true)
+, collide_block(true)
+, generate(false)
+, solidity(0.5f, 0.75f, 1.0f)
+, humidity(-1.0f, 0.0f, 1.0f)
+, temperature(-1.0f, 0.0f, 1.0f)
+, richness(-1.0f, 0.0f, 1.0f)
+, commonness(1.0f) {
}
-void BlockType::FillModel(
- Model::Buffer &buf,
- const glm::mat4 &transform,
- Model::Index idx_offset
+void BlockType::Copy(const BlockType &other) noexcept {
+ shape = other.shape;
+ textures = other.textures;
+ hsl_mod = other.hsl_mod;
+ rgb_mod = other.rgb_mod;
+ outline_color = other.outline_color;
+ place_sound = other.place_sound;
+ remove_sound = other.remove_sound;
+ luminosity = other.luminosity;
+ visible = other.visible;
+ block_light = other.block_light;
+ collision = other.collision;
+ collide_block = collide_block;
+ generate = other.generate;
+ solidity = other.solidity;
+ humidity = other.humidity;
+ temperature = other.temperature;
+ richness = other.richness;
+ commonness = other.commonness;
+}
+
+void BlockType::Read(
+ TokenStreamReader &in,
+ ResourceIndex &snd_index,
+ ResourceIndex &tex_index,
+ const ShapeRegistry &shapes
+) {
+ std::string name;
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ glm::vec3 color_conv;
+ while (in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
+ if (name == "visible") {
+ visible = in.GetBool();
+ } else if (name == "texture") {
+ textures.clear();
+ in.ReadString(name);
+ textures.push_back(tex_index.GetID(name));
+ } else if (name == "textures") {
+ textures.clear();
+ in.Skip(Token::BRACKET_OPEN);
+ while (in.Peek().type != Token::BRACKET_CLOSE) {
+ in.ReadString(name);
+ textures.push_back(tex_index.GetID(name));
+ if (in.Peek().type == Token::COMMA) {
+ in.Skip(Token::COMMA);
+ }
+ }
+ in.Skip(Token::BRACKET_CLOSE);
+ } else if (name == "rgb_mod") {
+ in.ReadVec(color_conv);
+ rgb_mod = BlockMesh::ColorMod(color_conv * 255.0f);
+ } else if (name == "hsl_mod") {
+ in.ReadVec(color_conv);
+ hsl_mod = BlockMesh::ColorMod(color_conv * 255.0f);
+ } else if (name == "outline") {
+ in.ReadVec(color_conv);
+ outline_color = PrimitiveMesh::Color(color_conv * 255.0f, 255);
+ } else if (name == "gravity") {
+ gravity = BlockGravity::Read(in);
+ } else if (name == "label") {
+ in.ReadString(label);
+ } else if (name == "place_sound") {
+ in.ReadString(name);
+ place_sound = snd_index.GetID(name);
+ } else if (name == "remove_sound") {
+ in.ReadString(name);
+ remove_sound = snd_index.GetID(name);
+ } else if (name == "luminosity") {
+ luminosity = in.GetInt();
+ } else if (name == "block_light") {
+ block_light = in.GetBool();
+ } else if (name == "collision") {
+ collision = in.GetBool();
+ } else if (name == "collide_block") {
+ collide_block = in.GetBool();
+ } else if (name == "generate") {
+ generate = in.GetBool();
+ } else if (name == "min_solidity") {
+ solidity.Min(in.GetFloat());
+ } else if (name == "mid_solidity") {
+ solidity.Mid(in.GetFloat());
+ } else if (name == "max_solidity") {
+ solidity.Max(in.GetFloat());
+ } else if (name == "min_humidity") {
+ humidity.Min(in.GetFloat());
+ } else if (name == "mid_humidity") {
+ humidity.Mid(in.GetFloat());
+ } else if (name == "max_humidity") {
+ humidity.Max(in.GetFloat());
+ } else if (name == "min_temperature") {
+ temperature.Min(in.GetFloat());
+ } else if (name == "mid_temperature") {
+ temperature.Mid(in.GetFloat());
+ } else if (name == "max_temperature") {
+ temperature.Max(in.GetFloat());
+ } else if (name == "min_richness") {
+ richness.Min(in.GetFloat());
+ } else if (name == "mid_richness") {
+ richness.Mid(in.GetFloat());
+ } else if (name == "max_richness") {
+ richness.Max(in.GetFloat());
+ } else if (name == "commonness") {
+ commonness = in.GetFloat();
+ } else if (name == "shape") {
+ in.ReadIdentifier(name);
+ shape = &shapes.Get(name);
+ } else {
+ std::cerr << "warning: unknown block type property " << name << std::endl;
+ while (in.Peek().type != Token::SEMICOLON) {
+ in.Next();
+ }
+ }
+ in.Skip(Token::SEMICOLON);
+ }
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+}
+
+void BlockType::FillEntityMesh(
+ EntityMesh::Buffer &buf,
+ const glm::mat4 &transform
) const noexcept {
- shape->Vertices(buf.vertices, buf.normals, buf.indices, transform, idx_offset);
- buf.colors.insert(buf.colors.end(), shape->VertexCount(), color);
+ if (!shape) return;
+ shape->Fill(buf, transform, textures);
+ buf.hsl_mods.insert(buf.hsl_mods.end(), shape->VertexCount(), hsl_mod);
+ buf.rgb_mods.insert(buf.rgb_mods.end(), shape->VertexCount(), rgb_mod);
}
-void BlockType::FillBlockModel(
- BlockModel::Buffer &buf,
+void BlockType::FillBlockMesh(
+ BlockMesh::Buffer &buf,
const glm::mat4 &transform,
- BlockModel::Index idx_offset
+ BlockMesh::Index idx_offset
) const noexcept {
- shape->Vertices(buf.vertices, buf.indices, transform, idx_offset);
- buf.colors.insert(buf.colors.end(), shape->VertexCount(), color);
+ if (!shape) return;
+ shape->Fill(buf, transform, textures, idx_offset);
+ buf.hsl_mods.insert(buf.hsl_mods.end(), shape->VertexCount(), hsl_mod);
+ buf.rgb_mods.insert(buf.rgb_mods.end(), shape->VertexCount(), rgb_mod);
}
-void BlockType::FillOutlineModel(
- OutlineModel &model,
- const glm::vec3 &pos_offset,
- OutlineModel::Index idx_offset
-) const noexcept {
- shape->Outline(model.vertices, model.indices, pos_offset, idx_offset);
- model.colors.insert(model.colors.end(), shape->OutlineCount(), outline_color);
+void BlockType::OutlinePrimitiveMesh(PrimitiveMesh::Buffer &buf) const noexcept {
+ if (!shape) return;
+ shape->Outline(buf);
+ buf.colors.insert(buf.colors.end(), shape->OutlineCount(), outline_color);
}
BlockTypeRegistry::BlockTypeRegistry() {
- Add(BlockType());
+ BlockType air;
+ air.name = "air";
+ air.label = "Air";
+ air.visible = false;
+ air.block_light = false;
+ air.collision = false;
+ air.collide_block = false;
+ Add(std::move(air));
}
-Block::Type BlockTypeRegistry::Add(const BlockType &t) {
+Block::Type BlockTypeRegistry::Add(BlockType &&t) {
int id = types.size();
- types.push_back(t);
+ if (!names.emplace(t.name, id).second) {
+ throw std::runtime_error("duplicate block type name " + t.name);
+ }
+ types.push_back(std::move(t));
types.back().id = id;
return id;
}
+BlockType &BlockTypeRegistry::Get(const std::string &name) {
+ auto entry = names.find(name);
+ if (entry != names.end()) {
+ return Get(entry->second);
+ } else {
+ throw std::runtime_error("unknown block type " + name);
+ }
+}
+
+const BlockType &BlockTypeRegistry::Get(const std::string &name) const {
+ auto entry = names.find(name);
+ if (entry != names.end()) {
+ return Get(entry->second);
+ } else {
+ throw std::runtime_error("unknown block type " + name);
+ }
+}
+
+
+namespace {
+
+/// the "usual" type of gravity
+/// direction is towards the block's center, strength is inverse
+/// proportional to distance squared
+/// note that the effect can get clipped at distances > 16 units
+struct RadialGravity
+: public BlockGravity {
+
+ explicit RadialGravity(float strength)
+ : strength(strength) { }
+
+ glm::vec3 GetGravity(const glm::vec3 &diff, const glm::mat4 &) const noexcept override {
+ float dist2 = glm::length2(diff);
+ glm::vec3 dir = -glm::normalize(diff);
+ return dir * (strength / dist2);
+ }
+
+ float strength;
+
+};
+
+/// a "force field" variant of artificial gravity
+/// strength and direction is constant throughout the cuboid
+/// extent shouldn't exceed 16 units as gravity is only calculated for
+/// chunks surrounding and entity (and sometimes not even those if they're
+/// unavailable, but they will be for players)
+struct CuboidFieldGravity
+: public BlockGravity {
+
+ explicit CuboidFieldGravity(const glm::vec3 &strength, const AABB &extent)
+ : strength(strength), extent(extent) { }
+
+ glm::vec3 GetGravity(const glm::vec3 &diff, const glm::mat4 &M) const noexcept override {
+ /// rotate AABB endpoints accordingly, ignore translation
+ glm::vec3 min(M * glm::vec4(extent.min, 0.0f));
+ glm::vec3 max(M * glm::vec4(extent.max, 0.0f));
+ if (diff.x < min.x || diff.y < min.y || diff.z < min.z ||
+ diff.x > max.x || diff.y > max.y || diff.z > max.z) {
+ /// if point is outside, force is zero
+ return glm::vec3(0.0f);
+ } else {
+ /// otherwise it's out constant strength in block orientation
+ return glm::vec3(M * glm::vec4(strength, 0.0f));
+ }
+ }
+
+ glm::vec3 strength;
+ AABB extent;
+
+};
+
+
+}
+
+BlockGravity::~BlockGravity() {
+
+}
+
+std::unique_ptr<BlockGravity> BlockGravity::Read(TokenStreamReader &in) {
+ std::string type;
+ in.ReadIdentifier(type);
+ if (type == "Radial") {
+ float strength;
+ in.Skip(Token::PARENTHESIS_OPEN);
+ in.ReadNumber(strength);
+ in.Skip(Token::PARENTHESIS_CLOSE);
+ return std::unique_ptr<BlockGravity>(new RadialGravity(strength));
+ } else if (type == "CuboidField") {
+ glm::vec3 strength;
+ AABB extent;
+ in.Skip(Token::PARENTHESIS_OPEN);
+ in.ReadVec(strength);
+ in.Skip(Token::COMMA);
+ in.ReadVec(extent.min);
+ in.Skip(Token::COMMA);
+ in.ReadVec(extent.max);
+ in.Skip(Token::PARENTHESIS_CLOSE);
+ extent.Adjust();
+ return std::unique_ptr<BlockGravity>(new CuboidFieldGravity(strength, extent));
+ } else {
+ throw std::runtime_error("unknown gravity type: " + type);
+ }
+}
+
const glm::mat4 Block::orient2transform[ORIENT_COUNT] = {
{ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, }, // face: up, turn: none
{ 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, }, // face: back, turn: right
};
-const glm::tvec3<int> Block::face2normal[FACE_COUNT] = {
+const glm::ivec3 Block::face2normal[FACE_COUNT] = {
{ 0, 1, 0 },
{ 0, -1, 0 },
{ 1, 0, 0 },
projects / blank.git / blobdiff