Files
PuzGame/src/game/rendering/imgui-helper.h
2025-02-21 22:12:12 +01:00

130 lines
4.3 KiB
C++

/*
* Copyright 2011-2025 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
*/
#ifndef IMGUI_H_HEADER_GUARD
#define IMGUI_H_HEADER_GUARD
#include <../iconfontheaders/icons_font_awesome.h>
#include <../iconfontheaders/icons_kenney.h>
#include <bgfx/bgfx.h>
#include <imgui.h>
#define IMGUI_MBUT_LEFT 0x01
#define IMGUI_MBUT_RIGHT 0x02
#define IMGUI_MBUT_MIDDLE 0x04
inline uint32_t imguiRGBA(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255)
{
return 0 | (uint32_t(_r) << 0) | (uint32_t(_g) << 8) | (uint32_t(_b) << 16) | (uint32_t(_a) << 24);
}
namespace bx
{
struct AllocatorI;
}
void imguiCreate(float _fontSize = 18.0f, bx::AllocatorI* _allocator = NULL);
void imguiDestroy();
void imguiBeginFrame(bgfx::ViewId _view = 255);
void imguiEndFrame();
namespace ImGui
{
#define IMGUI_FLAGS_NONE UINT8_C(0x00)
#define IMGUI_FLAGS_ALPHA_BLEND UINT8_C(0x01)
///
inline ImTextureID toId(bgfx::TextureHandle _handle, uint8_t _flags, uint8_t _mip)
{
union
{
struct
{
bgfx::TextureHandle handle;
uint8_t flags;
uint8_t mip;
} s;
ImTextureID id;
} tex;
tex.s.handle = _handle;
tex.s.flags = _flags;
tex.s.mip = _mip;
return tex.id;
}
// Helper function for passing bgfx::TextureHandle to ImGui::Image.
inline void Image(bgfx::TextureHandle _handle,
uint8_t _flags,
uint8_t _mip,
const ImVec2& _size,
const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f),
const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f))
{
Image(toId(_handle, _flags, _mip), _size, _uv0, _uv1, _tintCol, _borderCol);
}
// Helper function for passing bgfx::TextureHandle to ImGui::Image.
inline void Image(bgfx::TextureHandle _handle,
const ImVec2& _size,
const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f),
const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f))
{
Image(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _tintCol, _borderCol);
}
// Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
inline bool ImageButton(bgfx::TextureHandle _handle,
uint8_t _flags,
uint8_t _mip,
const ImVec2& _size,
const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f),
const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f))
{
return ImageButton("image", toId(_handle, _flags, _mip), _size, _uv0, _uv1, _bgCol, _tintCol);
}
// Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
inline bool ImageButton(bgfx::TextureHandle _handle,
const ImVec2& _size,
const ImVec2& _uv0 = ImVec2(0.0f, 0.0f),
const ImVec2& _uv1 = ImVec2(1.0f, 1.0f),
const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f),
const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f))
{
return ImageButton(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _bgCol, _tintCol);
}
///
inline void NextLine()
{
SetCursorPosY(GetCursorPosY() + GetTextLineHeightWithSpacing());
}
///
inline bool MouseOverArea()
{
return false || ImGui::IsAnyItemActive() || ImGui::IsAnyItemHovered() ||
ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow)
// || ImGuizmo::IsOver()
;
}
///
void PushEnabled(bool _enabled);
///
void PopEnabled();
} // namespace ImGui
#endif // IMGUI_H_HEADER_GUARD