tyromaniac/pleascach
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

made some texture visualization code

Browse Source
This commit is contained in:
Conál 2024-02-24 09:18:31 -05:00
parent b9bd185968
commit 87d310b55c
6 changed files with 23 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Renderer/Renderer.cpp
View File

@ -199,7 +199,7 @@ Renderer::Renderer(Window& win) : win(win) {
};
/* BSP loader */
bsp = std::make_unique<HLBSP::BSP>(phys_dev, dev, "assets/maps/hl1.bsp");
bsp = std::make_unique<HLBSP::BSP>(phys_dev, dev, "assets/maps/dmc.bsp");
bsp_shaders = {
{ dev, "assets/shaders/bin/bsp.vert.spv", vk::ShaderStageFlagBits::eVertex },
{ dev, "assets/shaders/bin/bsp.frag.spv", vk::ShaderStageFlagBits::eFragment },

18
Scene/BSP.cpp
View File

@ -10,6 +10,13 @@
#include <cstring>
/* changes handedness by swapping z and y */
template<typename T>
static inline void change_swizzle(T& v) {
auto tmp = v.y;
v.y = v.z;
v.z = tmp;
}
using namespace HLBSP;
@ -25,7 +32,8 @@ static inline void copy_data(void* file_data, std::vector<T>& dst, Lump& lump) {
std::memcpy(dst.data(), ((u8*)file_data) + lump.offset, lump.len);
}
glm::vec2 calc_tex_coords(const glm::vec3& v, const TexInfo& t) {
static inline glm::vec2 calc_tex_coords(glm::vec3 v, const TexInfo& t) {
change_swizzle(v);
return glm::vec2(
t.shift_s + glm::dot(v, t.shift_s_dir),
t.shift_t + glm::dot(v, t.shift_t_dir)
@ -140,14 +148,6 @@ bool BSP::determine_visibility(const Leaf& cam_leaf, const Leaf& leaf, const std
return box_in_frustum(frustum, box_verts);
}
/* changes handedness by swapping z and y */
template<typename T>
static inline void change_swizzle(T& v) {
auto tmp = v.y;
v.y = v.z;
v.z = tmp;
}
static std::vector<std::map<std::string, std::string>> load_entities(const std::string& in) {
/* TODO */
return {

BIN
assets/maps/dmc.bsp Executable file
View File

Binary file not shown.

14
assets/shaders/map/bsp.frag
View File

@ -19,6 +19,16 @@ layout (set = 0, binding = 0) uniform Matrices {
layout (set = 0, binding = 1) uniform sampler2D tex;
void main() {
FragColor = (color + vec4(1.0)) / 2.0;
vec3 tex_map(vec2 coords) {
return vec3(
1-abs(cos(normalize(texCoord.xxy)))
// 0.0,
// sin(texCoord.y)
// sin(texCoord.x/texCoord.y)
);
}
void main() {
FragColor.xyz = tex_map(texCoord);
FragColor.w = 1.0;
}

2
assets/shaders/map/bsp.vert
View File

@ -30,6 +30,6 @@ void main() {
gl_Position = proj * view * vec4(aPos, 1.0);
color = vec4(aTexCoord, 0.0, 1.0);
color = vec4(0.0);
texCoord = aTexCoord;
}

20
util/geo.hpp
View File

@ -4,30 +4,12 @@
#include <glm/gtc/matrix_access.hpp>
#include <array>
static glm::vec4 extract_plane(const glm::mat4& mat, int col) {
float sign;
if (col < 0) {
sign = -1.0;
col = -col - 1;
} else {
sign = 1.0;
col -= 1;
}
return glm::column(mat, 3) + sign * glm::column(mat, col);
}
/* extracts frustum from projection matrix */
static std::array<glm::vec4, 6> frustum(const glm::mat4& mat) {
/* Left, Right, Top, Bottom, Back, Front */
std::array<glm::vec4, 6> ret; /* {
extract_plane(mat, 1),
extract_plane(mat, -1),
extract_plane(mat, 2),
extract_plane(mat, -2),
extract_plane(mat, 3),
extract_plane(mat, -3),
};*/
std::array<glm::vec4, 6> ret;
for (size_t i = 0; i < 3; i++)
for (size_t j = 0; j < 4; j++)