diff options
Diffstat (limited to 'src/wall-mesh.cpp')
| -rw-r--r-- | src/wall-mesh.cpp | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/wall-mesh.cpp b/src/wall-mesh.cpp deleted file mode 100644 index d698b508..00000000 --- a/src/wall-mesh.cpp +++ /dev/null @@ -1,93 +0,0 @@ -#include "wall-mesh.hpp" -#include "tile-atlas.hpp" -#include "shaders/tile-shader.hpp" -#include "chunk.hpp" -#include <Magnum/GL/RectangleTexture.h> -#include <Magnum/GL/MeshView.h> - -namespace Magnum::Examples { - -constexpr auto quad_index_count = 6; - -wall_mesh::wall_mesh() -{ - _mesh.setCount((int)(quad_index_count * COUNT)) - .addVertexBuffer(_vertex_buffer, 0, tile_shader::TextureCoordinates{}) - .addVertexBuffer(_positions_buffer, 0, tile_shader::Position{}) - .setIndexBuffer(_index_buffer, 0, GL::MeshIndexType::UnsignedShort); - CORRADE_INTERNAL_ASSERT(_mesh.isIndexed()); -} - -void wall_mesh::add_wall(vertex_array& data, texture_array& textures, tile_image& img, std::size_t pos) -{ - CORRADE_INTERNAL_ASSERT(pos < data.size()); - auto texcoords = img.atlas->texcoords_for_id(img.variant); - for (std::size_t i = 0; i < 4; i++) - { - data[pos][i] = { texcoords[i] }; - textures[pos] = &img.atlas->texture(); - } -} - -void wall_mesh::maybe_add_tile(vertex_array& data, texture_array& textures, tile& x, std::size_t pos) -{ - if (auto& wall = x.wall_north; wall.atlas) - add_wall(data, textures, wall, pos * 2 + 0); - if (auto& wall = x.wall_west; wall.atlas) - add_wall(data, textures, wall, pos * 2 + 1); -} - -void wall_mesh::draw(tile_shader& shader, chunk& c) -{ - texture_array textures = {}; - { - vertex_array data; - for (auto& [x, idx, pt] : c) { - maybe_add_tile(data, textures, x, idx); - } - _vertex_buffer.setSubData(0, data); - } - - const GL::RectangleTexture* last_texture = nullptr; - Magnum::GL::MeshView mesh{_mesh}; - for (std::size_t i = 0; i < COUNT; i++) - { - auto* const tex = textures[i]; - if (!tex) - continue; - mesh.setCount(quad_index_count); - mesh.setIndexRange((int)(i*quad_index_count), 0, quad_index_count*COUNT - 1); - if (tex != last_texture) - tex->bind(0); - last_texture = tex; - shader.draw(mesh); - } -} - -std::array<std::array<UnsignedShort, 6>, wall_mesh::COUNT> wall_mesh::make_index_array() -{ - // NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init) - std::array<std::array<UnsignedShort, 6>, COUNT> array; - - for (std::size_t i = 0; i < std::size(array); i++) - array[i] = tile_atlas::indices(i); - return array; -} - -std::array<std::array<Vector3, 4>, wall_mesh::COUNT> wall_mesh::make_position_array() -{ - std::array<std::array<Vector3, 4>, COUNT> array; - constexpr float X = TILE_SIZE[0], Y = TILE_SIZE[1], Z = TILE_SIZE[2]; - constexpr Vector3 size = {X, Y, Z}; - for (std::size_t j = 0; j < TILE_MAX_DIM; j++) - for (std::size_t i = 0; i < TILE_MAX_DIM; i++) - { - const auto idx = (j*TILE_MAX_DIM + i) * 2; - Vector3 center{(float)(X*i), (float)(Y*j), 0}; - array[idx + 0] = tile_atlas::wall_quad_N(center, size); - array[idx + 1] = tile_atlas::wall_quad_W(center, size); - } - return array; -} - -} // namespace Magnum::Examples |
