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Files
OpenRCT2/src/openrct2/drawing/NewDrawing.cpp
2020-05-27 20:52:51 +01:00

296 lines
8.1 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2019 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "NewDrawing.h"
#include "../Context.h"
#include "../config/Config.h"
#include "../drawing/Drawing.h"
#include "../interface/Screenshot.h"
#include "../localisation/StringIds.h"
#include "../paint/Painter.h"
#include "../ui/UiContext.h"
#include "IDrawingContext.h"
#include "IDrawingEngine.h"
#include <cmath>
using namespace OpenRCT2;
using namespace OpenRCT2::Drawing;
using namespace OpenRCT2::Paint;
using namespace OpenRCT2::Ui;
rct_string_id DrawingEngineStringIds[] = {
STR_DRAWING_ENGINE_SOFTWARE,
STR_DRAWING_ENGINE_SOFTWARE_WITH_HARDWARE_DISPLAY,
STR_DRAWING_ENGINE_OPENGL,
};
int32_t drawing_engine_get_type()
{
auto context = GetContext();
return context->GetDrawingEngineType();
}
static IDrawingEngine* GetDrawingEngine()
{
IDrawingEngine* result = nullptr;
auto context = GetContext();
if (context != nullptr)
{
result = context->GetDrawingEngine();
}
return result;
}
bool drawing_engine_requires_new_window(int32_t srcEngine, int32_t dstEngine)
{
#ifdef _WIN32
if (srcEngine != DRAWING_ENGINE_OPENGL && dstEngine != DRAWING_ENGINE_OPENGL)
{
// Windows is apparently able to switch to hardware rendering on the fly although
// using the same window in an unaccelerated and accelerated context is unsupported by SDL2
return false;
}
#endif
return true;
}
void drawing_engine_init()
{
auto context = GetContext();
if (context != nullptr)
{
context->InitialiseDrawingEngine();
}
}
void drawing_engine_resize()
{
auto context = GetContext();
if (context != nullptr)
{
auto drawingEngine = context->GetDrawingEngine();
if (drawingEngine != nullptr)
{
auto uiContext = context->GetUiContext();
drawingEngine->Resize(uiContext->GetWidth(), uiContext->GetHeight());
}
}
}
void drawing_engine_set_palette(const GamePalette& colours)
{
auto context = GetContext();
if (context != nullptr)
{
auto drawingEngine = context->GetDrawingEngine();
if (drawingEngine != nullptr)
{
drawingEngine->SetPalette(colours);
}
}
}
void drawing_engine_copy_rect(int32_t x, int32_t y, int32_t width, int32_t height, int32_t dx, int32_t dy)
{
auto context = GetContext();
if (context != nullptr)
{
auto drawingEngine = context->GetDrawingEngine();
if (drawingEngine != nullptr)
{
drawingEngine->CopyRect(x, y, width, height, dx, dy);
}
}
}
void drawing_engine_dispose()
{
auto context = GetContext();
if (context != nullptr)
{
context->DisposeDrawingEngine();
}
}
rct_drawpixelinfo* drawing_engine_get_dpi()
{
auto context = GetContext();
auto drawingEngine = context->GetDrawingEngine();
return drawingEngine->GetDrawingPixelInfo();
}
bool drawing_engine_has_dirty_optimisations()
{
bool result = false;
auto drawingEngine = GetDrawingEngine();
if (drawingEngine != nullptr)
{
result = (drawingEngine->GetFlags() & DEF_DIRTY_OPTIMISATIONS);
}
return result;
}
void drawing_engine_invalidate_image(uint32_t image)
{
auto drawingEngine = GetDrawingEngine();
if (drawingEngine != nullptr)
{
drawingEngine->InvalidateImage(image);
}
}
void drawing_engine_set_vsync(bool vsync)
{
auto drawingEngine = GetDrawingEngine();
if (drawingEngine != nullptr)
{
drawingEngine->SetVSync(vsync);
}
}
void gfx_set_dirty_blocks(int16_t left, int16_t top, int16_t right, int16_t bottom)
{
auto drawingEngine = GetDrawingEngine();
if (drawingEngine != nullptr)
{
drawingEngine->Invalidate(left, top, right, bottom);
}
}
void gfx_draw_all_dirty_blocks()
{
}
void gfx_clear(rct_drawpixelinfo* dpi, uint8_t paletteIndex)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->Clear(paletteIndex);
}
}
void gfx_fill_rect(rct_drawpixelinfo* dpi, int32_t left, int32_t top, int32_t right, int32_t bottom, int32_t colour)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->FillRect(colour, left, top, right, bottom);
}
}
void gfx_filter_rect(
rct_drawpixelinfo* dpi, int32_t left, int32_t top, int32_t right, int32_t bottom, FILTER_PALETTE_ID palette)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->FilterRect(palette, left, top, right, bottom);
}
}
void gfx_draw_line(rct_drawpixelinfo* dpi, int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t colour)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->DrawLine(colour, x1, y1, x2, y2);
}
}
void gfx_draw_dashed_line(
rct_drawpixelinfo* dpi, const int32_t x1, const int32_t y1, const int32_t x2, const int32_t y2,
const int32_t dashedLineSegmentLength, const int32_t colour)
{
assert(dashedLineSegmentLength > 0);
const auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
constexpr int32_t precisionFactor = 1000;
const int32_t dashedLineLength = std::hypot(x2 - x1, y2 - y1);
const int32_t lineSegmentCount = dashedLineLength / dashedLineSegmentLength / 2;
if (lineSegmentCount == 0)
{
return;
}
const int32_t lineXDist = std::abs(x2 - x1);
const int32_t lineYDist = std::abs(y2 - y1);
const int32_t dxPrecise = precisionFactor * lineXDist / lineSegmentCount / 2;
const int32_t dyPrecise = precisionFactor * lineYDist / lineSegmentCount / 2;
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
for (int32_t i = 0, x, y; i < lineSegmentCount; ++i)
{
x = x1 + dxPrecise * i * 2 / precisionFactor;
y = y1 + dyPrecise * i * 2 / precisionFactor;
dc->DrawLine(colour, x, y, x + dxPrecise / precisionFactor, y + dyPrecise / precisionFactor);
}
}
}
void FASTCALL gfx_draw_sprite(rct_drawpixelinfo* dpi, int32_t image, int32_t x, int32_t y, uint32_t tertiary_colour)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->DrawSprite(image, x, y, tertiary_colour);
}
}
void FASTCALL gfx_draw_glpyh(rct_drawpixelinfo* dpi, int32_t image, int32_t x, int32_t y, uint8_t* palette)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->DrawGlyph(image, x, y, palette);
}
}
void FASTCALL gfx_draw_sprite_raw_masked(rct_drawpixelinfo* dpi, int32_t x, int32_t y, int32_t maskImage, int32_t colourImage)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->DrawSpriteRawMasked(x, y, maskImage, colourImage);
}
}
void FASTCALL gfx_draw_sprite_solid(rct_drawpixelinfo* dpi, int32_t image, int32_t x, int32_t y, uint8_t colour)
{
auto drawingEngine = dpi->DrawingEngine;
if (drawingEngine != nullptr)
{
IDrawingContext* dc = drawingEngine->GetDrawingContext(dpi);
dc->DrawSpriteSolid(image, x, y, colour);
}
}
std::string screenshot_dump()
{
auto drawingEngine = GetDrawingEngine();
if (drawingEngine != nullptr)
{
return drawingEngine->Screenshot();
}
return "";
}