#include "Shape.hpp"
-#include "shapes.hpp"
+#include "ShapeRegistry.hpp"
+
+#include "bounds.hpp"
+#include "../io/TokenStreamReader.hpp"
+
+#include <string>
+
+using namespace std;
namespace blank {
-void Shape::Vertices(
- EntityModel::Positions &vertex,
- EntityModel::Normals &normal,
- EntityModel::Indices &index
-) const {
- for (const auto &pos : vtx_pos) {
- vertex.emplace_back(pos);
- }
- for (const auto &nrm : vtx_nrm) {
- normal.emplace_back(nrm);
+Shape::Shape()
+: bounds()
+, vertices()
+, indices() {
+
+}
+
+void Shape::Read(TokenStreamReader &in) {
+ bounds.reset();
+ vertices.clear();
+ indices.clear();
+
+ string name;
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ while (in.HasMore() && in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
+ if (name == "bounds") {
+ string bounds_class;
+ in.ReadIdentifier(bounds_class);
+ in.Skip(Token::PARENTHESIS_OPEN);
+ if (bounds_class == "Cuboid") {
+ glm::vec3 min;
+ glm::vec3 max;
+ in.ReadVec(min);
+ in.Skip(Token::COMMA);
+ in.ReadVec(max);
+ bounds.reset(new CuboidBounds(AABB{min, max}));
+ } else if (bounds_class == "Stair") {
+ glm::vec3 min;
+ glm::vec3 max;
+ glm::vec2 split;
+ in.ReadVec(min);
+ in.Skip(Token::COMMA);
+ in.ReadVec(max);
+ in.Skip(Token::COMMA);
+ in.ReadVec(split);
+ bounds.reset(new StairBounds(AABB{min, max}, split));
+ } else {
+ while (in.Peek().type != Token::PARENTHESIS_CLOSE) {
+ in.Next();
+ }
+ }
+ in.Skip(Token::PARENTHESIS_CLOSE);
+
+ } else if (name == "vertices") {
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ while (in.HasMore() && in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ Vertex vtx;
+ in.ReadVec(vtx.position);
+ in.Skip(Token::COMMA);
+ in.ReadVec(vtx.normal);
+ in.Skip(Token::COMMA);
+ in.ReadVec(vtx.tex_st);
+ in.Skip(Token::COMMA);
+ in.ReadNumber(vtx.tex_id);
+ if (in.Peek().type == Token::COMMA) {
+ in.Skip(Token::COMMA);
+ }
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+ if (in.Peek().type == Token::COMMA) {
+ in.Skip(Token::COMMA);
+ }
+ }
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+
+ } else if (name == "indices") {
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ while (in.HasMore() && in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ indices.push_back(in.GetULong());
+ if (in.Peek().type == Token::COMMA) {
+ in.Skip(Token::COMMA);
+ }
+ }
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+
+ } else {
+ // try to skip, might fail though
+ while (in.Peek().type != Token::SEMICOLON) {
+ in.Next();
+ }
+ }
+ in.Skip(Token::SEMICOLON);
}
- for (auto idx : vtx_idx) {
- index.emplace_back(idx);
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+}
+
+float Shape::TexR(const vector<float> &tex_map, size_t off) noexcept {
+ if (off < tex_map.size()) {
+ return tex_map[off];
+ } else if (!tex_map.empty()) {
+ return tex_map.back();
+ } else {
+ return 0.0f;
}
}
-void Shape::Vertices(
- EntityModel::Positions &vertex,
- EntityModel::Normals &normal,
- EntityModel::Indices &index,
- const glm::mat4 &transform,
- EntityModel::Index idx_offset
+void Shape::Fill(
+ EntityMesh::Buffer &buf,
+ const vector<float> &tex_map
) const {
- for (const auto &pos : vtx_pos) {
- vertex.emplace_back(transform * glm::vec4(pos, 1.0f));
+ for (const auto &vtx : vertices) {
+ buf.vertices.emplace_back(vtx.position);
+ buf.normals.emplace_back(vtx.normal);
+ buf.tex_coords.emplace_back(vtx.tex_st.s, vtx.tex_st.t, TexR(tex_map, vtx.tex_id));
}
- for (const auto &nrm : vtx_nrm) {
- normal.emplace_back(transform * glm::vec4(nrm, 0.0f));
- }
- for (auto idx : vtx_idx) {
- index.emplace_back(idx_offset + idx);
+ for (auto idx : indices) {
+ buf.indices.emplace_back(idx);
}
}
-void Shape::Vertices(
- BlockModel::Positions &vertex,
- BlockModel::Indices &index,
+void Shape::Fill(
+ EntityMesh::Buffer &buf,
const glm::mat4 &transform,
- BlockModel::Index idx_offset
+ const vector<float> &tex_map
) const {
- for (const auto &pos : vtx_pos) {
- vertex.emplace_back(transform * glm::vec4(pos, 1.0f));
+ for (const auto &vtx : vertices) {
+ buf.vertices.emplace_back(transform * glm::vec4(vtx.position, 1.0f));
+ buf.normals.emplace_back(transform * glm::vec4(vtx.normal, 0.0f));
+ buf.tex_coords.emplace_back(vtx.tex_st.s, vtx.tex_st.t, TexR(tex_map, vtx.tex_id));
}
- for (auto idx : vtx_idx) {
- index.emplace_back(idx_offset + idx);
+ for (auto idx : indices) {
+ buf.indices.emplace_back(idx);
}
}
-void Shape::Outline(
- OutlineModel::Positions &vertex,
- OutlineModel::Indices &index,
- const OutlineModel::Position &elem_offset,
- OutlineModel::Index idx_offset
+void Shape::Fill(
+ BlockMesh::Buffer &buf,
+ const glm::mat4 &transform,
+ const vector<float> &tex_map,
+ size_t idx_offset
) const {
- for (const auto &pos : out_pos) {
- vertex.emplace_back(elem_offset + pos);
+ for (const auto &vtx : vertices) {
+ buf.vertices.emplace_back(transform * glm::vec4(vtx.position, 1.0f));
+ buf.tex_coords.emplace_back(vtx.tex_st.s, vtx.tex_st.t, TexR(tex_map, vtx.tex_id));
}
- for (auto idx : out_idx) {
- index.emplace_back(idx_offset + idx);
+ for (auto idx : indices) {
+ buf.indices.emplace_back(idx_offset + idx);
}
}
-NullShape::NullShape()
-: Shape() {
+ShapeRegistry::ShapeRegistry()
+: shapes() {
}
-bool NullShape::Intersects(
- const Ray &,
- const glm::mat4 &,
- float &, glm::vec3 &
-) const noexcept {
- return false;
-}
-
-bool NullShape::Intersects(
- const glm::mat4 &,
- const AABB &,
- const glm::mat4 &,
- float &,
- glm::vec3 &
-) const noexcept {
- return false;
-}
-
-
-CuboidShape::CuboidShape(const AABB &b)
-: Shape()
-, bb(b) {
- bb.Adjust();
- SetShape({
- { bb.min.x, bb.min.y, bb.max.z }, // front
- { bb.max.x, bb.min.y, bb.max.z },
- { bb.min.x, bb.max.y, bb.max.z },
- { bb.max.x, bb.max.y, bb.max.z },
- { bb.min.x, bb.min.y, bb.min.z }, // back
- { bb.min.x, bb.max.y, bb.min.z },
- { bb.max.x, bb.min.y, bb.min.z },
- { bb.max.x, bb.max.y, bb.min.z },
- { bb.min.x, bb.max.y, bb.min.z }, // top
- { bb.min.x, bb.max.y, bb.max.z },
- { bb.max.x, bb.max.y, bb.min.z },
- { bb.max.x, bb.max.y, bb.max.z },
- { bb.min.x, bb.min.y, bb.min.z }, // bottom
- { bb.max.x, bb.min.y, bb.min.z },
- { bb.min.x, bb.min.y, bb.max.z },
- { bb.max.x, bb.min.y, bb.max.z },
- { bb.min.x, bb.min.y, bb.min.z }, // left
- { bb.min.x, bb.min.y, bb.max.z },
- { bb.min.x, bb.max.y, bb.min.z },
- { bb.min.x, bb.max.y, bb.max.z },
- { bb.max.x, bb.min.y, bb.min.z }, // right
- { bb.max.x, bb.max.y, bb.min.z },
- { bb.max.x, bb.min.y, bb.max.z },
- { bb.max.x, bb.max.y, bb.max.z },
- }, {
- { 0.0f, 0.0f, 1.0f }, // front
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, -1.0f }, // back
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 1.0f, 0.0f }, // top
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f }, // bottom
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f }, // left
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f }, // right
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- }, {
- 0, 1, 2, 2, 1, 3, // front
- 4, 5, 6, 6, 5, 7, // back
- 8, 9, 10, 10, 9, 11, // top
- 12, 13, 14, 14, 13, 15, // bottom
- 16, 17, 18, 18, 17, 19, // left
- 20, 21, 22, 22, 21, 23, // right
- });
- SetOutline({
- { bb.min.x, bb.min.y, bb.min.z }, // back
- { bb.max.x, bb.min.y, bb.min.z },
- { bb.min.x, bb.max.y, bb.min.z },
- { bb.max.x, bb.max.y, bb.min.z },
- { bb.min.x, bb.min.y, bb.max.z }, // front
- { bb.max.x, bb.min.y, bb.max.z },
- { bb.min.x, bb.max.y, bb.max.z },
- { bb.max.x, bb.max.y, bb.max.z },
- }, {
- 0, 1, 1, 3, 3, 2, 2, 0, // back
- 4, 5, 5, 7, 7, 6, 6, 4, // front
- 0, 4, 1, 5, 2, 6, 3, 7, // sides
- });
-}
-
-bool CuboidShape::Intersects(
- const Ray &ray,
- const glm::mat4 &M,
- float &dist, glm::vec3 &normal
-) const noexcept {
- return Intersection(ray, bb, M, &dist, &normal);
-}
-
-bool CuboidShape::Intersects(
- const glm::mat4 &M,
- const AABB &box,
- const glm::mat4 &box_M,
- float &depth,
- glm::vec3 &normal
-) const noexcept {
- return Intersection(bb, M, box, box_M, depth, normal);
-}
-
-
-StairShape::StairShape(const AABB &bb, const glm::vec2 &clip)
-: Shape()
-, top({ { bb.min.x, clip.y, bb.min.z }, { bb.max.x, bb.max.y, clip.x } })
-, bot({ bb.min, { bb.max.x, clip.y, bb.max.z } }) {
- SetShape({
- { top.min.x, top.min.y, top.max.z }, // front, upper
- { top.max.x, top.min.y, top.max.z },
- { top.min.x, top.max.y, top.max.z },
- { top.max.x, top.max.y, top.max.z },
- { bot.min.x, bot.min.y, bot.max.z }, // front, lower
- { bot.max.x, bot.min.y, bot.max.z },
- { bot.min.x, bot.max.y, bot.max.z },
- { bot.max.x, bot.max.y, bot.max.z },
- { bot.min.x, bot.min.y, bot.min.z }, // back
- { bot.min.x, top.max.y, bot.min.z },
- { top.max.x, bot.min.y, bot.min.z },
- { top.max.x, top.max.y, bot.min.z },
- { top.min.x, top.max.y, top.min.z }, // top, upper
- { top.min.x, top.max.y, top.max.z },
- { top.max.x, top.max.y, top.min.z },
- { top.max.x, top.max.y, top.max.z },
- { bot.min.x, bot.max.y, top.max.z }, // top, lower
- { bot.min.x, bot.max.y, bot.max.z },
- { bot.max.x, bot.max.y, top.max.z },
- { bot.max.x, bot.max.y, bot.max.z },
- { bot.min.x, bot.min.y, bot.min.z }, // bottom
- { bot.max.x, bot.min.y, bot.min.z },
- { bot.min.x, bot.min.y, bot.max.z },
- { bot.max.x, bot.min.y, bot.max.z },
- { top.min.x, top.min.y, top.min.z }, // left, upper
- { top.min.x, top.min.y, top.max.z },
- { top.min.x, top.max.y, top.min.z },
- { top.min.x, top.max.y, top.max.z },
- { bot.min.x, bot.min.y, bot.min.z }, // left, lower
- { bot.min.x, bot.min.y, bot.max.z },
- { bot.min.x, bot.max.y, bot.min.z },
- { bot.min.x, bot.max.y, bot.max.z },
- { top.max.x, top.min.y, top.min.z }, // right, upper
- { top.max.x, top.max.y, top.min.z },
- { top.max.x, top.min.y, top.max.z },
- { top.max.x, top.max.y, top.max.z },
- { bot.max.x, bot.min.y, bot.min.z }, // right, lower
- { bot.max.x, bot.max.y, bot.min.z },
- { bot.max.x, bot.min.y, bot.max.z },
- { bot.max.x, bot.max.y, bot.max.z },
- }, {
- { 0.0f, 0.0f, 1.0f }, // front x2
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, 1.0f },
- { 0.0f, 0.0f, -1.0f }, // back
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 0.0f, -1.0f },
- { 0.0f, 1.0f, 0.0f }, // top x2
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, 1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f }, // bottom
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { 0.0f, -1.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f }, // left x2
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { -1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f }, // right x2
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- { 1.0f, 0.0f, 0.0f },
- }, {
- 0, 1, 2, 2, 1, 3, // front, upper
- 4, 5, 6, 6, 5, 7, // front, lower
- 8, 9, 10, 10, 9, 11, // back
- 12, 13, 14, 14, 13, 15, // top, upper
- 16, 17, 18, 18, 17, 19, // top, lower
- 20, 21, 22, 22, 21, 23, // bottom
- 24, 25, 26, 26, 25, 27, // left, upper
- 28, 29, 30, 30, 29, 31, // left, lower
- 32, 33, 34, 34, 33, 35, // right, upper
- 36, 37, 38, 38, 37, 39, // right, lower
- });
- SetOutline({
- { bot.min.x, bot.min.y, bot.min.z }, // bottom
- { bot.max.x, bot.min.y, bot.min.z },
- { bot.min.x, bot.min.y, bot.max.z },
- { bot.max.x, bot.min.y, bot.max.z },
- { bot.min.x, bot.max.y, top.max.z }, // middle
- { bot.max.x, bot.max.y, top.max.z },
- { bot.min.x, bot.max.y, bot.max.z },
- { bot.max.x, bot.max.y, bot.max.z },
- { top.min.x, top.max.y, top.min.z }, // top
- { top.max.x, top.max.y, top.min.z },
- { top.min.x, top.max.y, top.max.z },
- { top.max.x, top.max.y, top.max.z },
- }, {
- 0, 1, 1, 3, 3, 2, 2, 0, // bottom
- 4, 5, 5, 7, 7, 6, 6, 4, // middle
- 8, 9, 9, 11, 11, 10, 10 , 8, // top
- 0, 8, 4, 10, 2, 6, // verticals, btf
- 1, 9, 5, 11, 3, 7,
- // 5, 8, 7, 10,
- // 1, 9, 3, 11,
- });
+Shape &ShapeRegistry::Add(const string &name) {
+ auto result = shapes.emplace(name, Shape());
+ if (result.second) {
+ return result.first->second;
+ } else {
+ throw runtime_error("duplicate shape " + name);
+ }
}
-bool StairShape::Intersects(
- const Ray &ray,
- const glm::mat4 &M,
- float &dist,
- glm::vec3 &norm
-) const noexcept {
- float top_dist, bot_dist;
- glm::vec3 top_norm, bot_norm;
- bool top_hit = Intersection(ray, top, M, &top_dist, &top_norm);
- bool bot_hit = Intersection(ray, bot, M, &bot_dist, &bot_norm);
-
- if (top_hit) {
- if (bot_hit) {
- if (top_dist < bot_dist) {
- dist = top_dist;
- norm = top_norm;
- return true;
- } else {
- dist = bot_dist;
- norm = bot_norm;
- return true;
- }
- } else {
- dist = top_dist;
- norm = top_norm;
- return true;
- }
- } else if (bot_hit) {
- dist = bot_dist;
- norm = bot_norm;
- return true;
+Shape &ShapeRegistry::Get(const string &name) {
+ auto entry = shapes.find(name);
+ if (entry != shapes.end()) {
+ return entry->second;
} else {
- return false;
+ throw runtime_error("unknown shape " + name);
}
}
-bool StairShape::Intersects(
- const glm::mat4 &M,
- const AABB &box,
- const glm::mat4 &box_M,
- float &depth,
- glm::vec3 &normal
-) const noexcept {
- // TODO: this is wrong, but simple. so for now will have to do
- return Intersection(bot, M, box, box_M, depth, normal) || Intersection(top, M, box, box_M, depth, normal);
+const Shape &ShapeRegistry::Get(const string &name) const {
+ auto entry = shapes.find(name);
+ if (entry != shapes.end()) {
+ return entry->second;
+ } else {
+ throw runtime_error("unknown shape " + name);
+ }
}
}