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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"
TypeSafeInt_H(FontTypeIndex, uint16_t, 0xFFFF);
TypeSafeInt_H(FontRenderIndex, uint16_t, 0xFFFF);
enum FONT_GLYPH_CHAR_FLAGS : uint8_t {
FONT_GLYPH_CHAR_FLAGS_NONE = (0 << 0),
FONT_GLYPH_CHAR_FLAGS_CONTROL = (1 << 0),
FONT_GLYPH_CHAR_FLAGS_WHITESPACE = (1 << 1),
FONT_GLYPH_CHAR_FLAGS_ALIGN_ADVANCE = (1 << 2),
FONT_GLYPH_CHAR_FLAGS_NEW_LINE = (1 << 3),
};
enum FONT_RENDER_SURFACE_AREA_TYPE_FLAGS : uint8_t {
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_NONE = 0,
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_GROW_VERTICAL = (1 << 0),
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_GROW_HORIZONTAL = (1 << 1),
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_STATIC = 0,
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS_FLUID = (1 << 0) | (1 << 1),
};
struct FontRenderHandle {
FontTypeIndex index_ft;
FontRenderIndex index_fr;
};
struct FontGlyphChar {
double advance;
glm::vec2 sprite_region_min;
glm::vec2 sprite_region_max;
glm::dvec4 plane_bounds;
uint32_t unicode;
FONT_GLYPH_CHAR_FLAGS flags;
};
struct FontRenderSettings {
float char_scale;
float line_height_scale;
float char_spacing_scale;
glm::ivec2 surface_area_size; // TODO
glm::ivec2 surface_area_pos;
FONT_RENDER_SURFACE_AREA_TYPE_FLAGS surface_area_type_flags; // TODO
};
struct FontRender {
FontRenderHandle handle;
uint32_t *glyph_indices;
uint32_t n_glyphs;
uint32_t buffer_start_index;
FontRenderSettings settings;
};
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};
FontRenderIndex h_render = FontRenderIndex{0};
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_GetFonts(FontTypeIndex &count);
FontTypeIndex FontType_RegisterFont(pk_cstr title, AssetHandle fontTextureHandle, AssetHandle glyphsHandle, FontTypeMSDFSettings *msdf_settings, FontTypeSpacing *spacing);
void FontType_Unload(FontTypeIndex idx);
FontRenderHandle FontType_AddStringRender(FontTypeIndex idx_ft, pk_str str, FontRenderSettings *settings);
void FontType_UpdateStringRender(FontRenderHandle frh, FontRenderSettings *settings);
void FontType_RemoveStringRender(FontRenderHandle frh);
#endif /* PKE_FONT_TYPE_HPP */
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