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#ifndef PKE_FONT_TYPE_HPP
#define PKE_FONT_TYPE_HPP
#include "asset-manager.hpp"
#include "components.hpp"
#include "pk.h"
#include "vendor-glm-include.hpp"
#define PKE_FONT_MAX_FONT_TYPES 64
#define PKE_FONT_MAX_FONT_RENDERS 64
TypeSafeInt_H(FontTypeIndex, uint16_t, 0xFFFF);
TypeSafeInt_H(FontRenderIndex, uint16_t, 0xFFFF);
TypeSafeInt_H(FONT_GLYPH_CHAR_FLAG, uint8_t, 0xFF);
TypeSafeInt_H(FONT_RENDER_SURFACE_AREA_TYPE_FLAG, uint8_t, 0xFF);
const FONT_GLYPH_CHAR_FLAG FONT_GLYPH_CHAR_FLAGS_NONE
= FONT_GLYPH_CHAR_FLAG(0u);
const FONT_GLYPH_CHAR_FLAG FONT_GLYPH_CHAR_FLAGS_CONTROL
= FONT_GLYPH_CHAR_FLAG((1u << 0));
const FONT_GLYPH_CHAR_FLAG FONT_GLYPH_CHAR_FLAGS_WHITESPACE
= FONT_GLYPH_CHAR_FLAG((1u << 1));
const FONT_GLYPH_CHAR_FLAG FONT_GLYPH_CHAR_FLAGS_ALIGN_ADVANCE
= FONT_GLYPH_CHAR_FLAG((1u << 2));
const FONT_GLYPH_CHAR_FLAG FONT_GLYPH_CHAR_FLAGS_NEW_LINE
= FONT_GLYPH_CHAR_FLAG((1u << 3));
const FONT_RENDER_SURFACE_AREA_TYPE_FLAG FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_NONE
= FONT_RENDER_SURFACE_AREA_TYPE_FLAG(0u);
const FONT_RENDER_SURFACE_AREA_TYPE_FLAG FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_CENTER_VERTICAL
= FONT_RENDER_SURFACE_AREA_TYPE_FLAG((1u << 0));
const FONT_RENDER_SURFACE_AREA_TYPE_FLAG FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_CENTER_HORIZONTAL
= FONT_RENDER_SURFACE_AREA_TYPE_FLAG((1u << 1));
const FONT_RENDER_SURFACE_AREA_TYPE_FLAG FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_CENTER_BOTH
= FONT_RENDER_SURFACE_AREA_TYPE_FLAG((1u << 0) | (1u << 1));
struct FontRenderHandle {
FontTypeIndex index_ft;
FontRenderIndex index_fr;
};
constexpr struct FontRenderHandle FontRenderHandle_MAX = {
.index_ft = FontTypeIndex_MAX,
.index_fr = FontRenderIndex_MAX,
};
struct FontGlyphChar {
double advance;
glm::vec2 sprite_region_min;
glm::vec2 sprite_region_max;
glm::dvec4 plane_bounds;
uint32_t unicode;
FONT_GLYPH_CHAR_FLAG flags;
};
struct FontRenderSettings {
glm::vec4 color_foreground = glm::vec4(0.4, 0.9, 0.5, 0.8);
glm::vec4 color_background = glm::vec4(0.0, 0.0, 0.0, 0.0);
float char_scale = 1.f;
float line_height_scale = 1.f;
float char_spacing_scale = 1.f;
glm::ivec2 surface_area_size;
glm::ivec2 surface_area_pos;
FONT_RENDER_SURFACE_AREA_TYPE_FLAG surface_area_type_flags;
};
struct FontRender : public Entity_Base {
uint32_t *glyph_indices = nullptr;
FontRenderHandle fr_handle = FontRenderHandle_MAX;
uint32_t n_glyphs = 0;
uint32_t buffer_start_index = 0;
FontRenderSettings settings{};
pk_cstr text{};
};
struct FontTypeMSDFSettings {
float minimum_scale;
float px_range;
};
struct FontTypeSpacing {
double geometry_scale;
double em_size;
double ascender_y;
double descender_y;
double line_height;
double underline_y;
double underline_thickness;
};
struct FontType : public Entity_Base {
pk_cstr title;
AssetHandle fontTextureAssetHandle;
AssetHandle glyphDetailsAssetHandle;
FontGlyphChar *glyphs;
FontRender *renders = nullptr;
glm::vec2 atlas_size;
uint32_t n_glyphs;
FontRenderIndex n_render = FontRenderIndex{0};
uint64_t unused_frs;
FontTypeIndex index_ft = FontTypeIndex{0};
struct FontTypeMSDFSettings msdf_settings;
struct FontTypeSpacing spacing;
struct FontTypeGraphics {
VkDeviceMemory deviceMemoryVert = VK_NULL_HANDLE;
VkDeviceMemory deviceMemoryTexture = VK_NULL_HANDLE;
VkDeviceMemory deviceMemoryInst = VK_NULL_HANDLE;
VkImage textureImage = VK_NULL_HANDLE;
VkImageView textureImageView = VK_NULL_HANDLE;
VkDescriptorPool vkDescriptorPool = VK_NULL_HANDLE;
VkDescriptorSet vkDescriptorSet = VK_NULL_HANDLE;
bool should_update_instance_buffer;
} gr;
struct FontTypeBindings {
BufferBindingDetails bd_vertex;
BufferBindingDetails bd_uv;
BufferBindingDetails bd_atlas_size;
BufferBindingDetails bd_index;
BufferBindingDetails bd_instance;
uint32_t index_count = 0;
uint32_t instance_counter = 0;
uint32_t instance_buffer_max_count = 0;
} bindings;
};
void FontType_Init();
void FontType_Teardown();
void FontType_Tick(double delta);
void FontType_Serialize(std::ostream &stream, FontType *ft);
void FontType_Deserialize(std::istream &stream);
FontType* FontType_Get(FontTypeIndex idx);
FontType* FontType_GetByTitle(const pk_cstr title);
FontType* FontType_GetFonts(uint64_t &idx_unused);
FontTypeIndex FontType_RegisterFont(pk_cstr title, AssetHandle fontTextureHandle, AssetHandle glyphsHandle, FontTypeMSDFSettings *msdf_settings, FontTypeSpacing *spacing);
FontRenderHandle FontType_AddStringRender(FontTypeIndex idx_ft, const pk_cstr &&str, FontRenderSettings *settings, Entity_Base *parent = nullptr, pk_uuid uuid = pk_uuid_zed);
FontRender *FontType_GetFontRender(FontRenderHandle frh);
void FontType_UpdateStringRender(FontRenderHandle frh, FontRenderSettings *settings);
void FontType_UpdateStringRenderText(FontRenderHandle frh, pk_cstr &&cstr);
void FontType_RemoveStringRender(FontRenderHandle frh);
#endif /* PKE_FONT_TYPE_HPP */
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