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Code Issues Releases Activity

Optimized SDL_RenderDrawCircle.

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Change mouse warping strategy in hidden test cheat.
This commit is contained in:
Muzychenko Andrey 2022-05-27 13:54:36 +03:00
parent 4183e7f0bf
commit cfe2691892
3 changed files with 42 additions and 18 deletions
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36
SpaceCadetPinball/DebugOverlay.cpp
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@ -21,6 +21,8 @@ gdrv_bitmap8* DebugOverlay::dbScreen = nullptr;
static int SDL_RenderDrawCircle(SDL_Renderer* renderer, int x, int y, int radius) static int SDL_RenderDrawCircle(SDL_Renderer* renderer, int x, int y, int radius)
{ {
SDL_Point points[256];
int pointCount = 0;
int offsetx, offsety, d; int offsetx, offsety, d;
int status; int status;
@ -29,21 +31,28 @@ static int SDL_RenderDrawCircle(SDL_Renderer* renderer, int x, int y, int radius
d = radius - 1; d = radius - 1;
status = 0; status = 0;
while (offsety >= offsetx) { while (offsety >= offsetx)
status += SDL_RenderDrawPoint(renderer, x + offsetx, y + offsety); {
status += SDL_RenderDrawPoint(renderer, x + offsety, y + offsetx); if (pointCount + 8 > 256)
status += SDL_RenderDrawPoint(renderer, x - offsetx, y + offsety); {
status += SDL_RenderDrawPoint(renderer, x - offsety, y + offsetx); status = SDL_RenderDrawPoints(renderer, points, pointCount);
status += SDL_RenderDrawPoint(renderer, x + offsetx, y - offsety); pointCount = 0;
status += SDL_RenderDrawPoint(renderer, x + offsety, y - offsetx);
status += SDL_RenderDrawPoint(renderer, x - offsetx, y - offsety);
status += SDL_RenderDrawPoint(renderer, x - offsety, y - offsetx);
if (status < 0) { if (status < 0) {
status = -1; status = -1;
break; break;
}
} }
points[pointCount++] = { x + offsetx, y + offsety };
points[pointCount++] = { x + offsety, y + offsetx };
points[pointCount++] = { x - offsetx, y + offsety };
points[pointCount++] = { x - offsety, y + offsetx };
points[pointCount++] = { x + offsetx, y - offsety };
points[pointCount++] = { x + offsety, y - offsetx };
points[pointCount++] = { x - offsetx, y - offsety };
points[pointCount++] = { x - offsety, y - offsetx };
if (d >= 2 * offsetx) { if (d >= 2 * offsetx) {
d -= 2 * offsetx + 1; d -= 2 * offsetx + 1;
offsetx += 1; offsetx += 1;
@ -59,6 +68,9 @@ static int SDL_RenderDrawCircle(SDL_Renderer* renderer, int x, int y, int radius
} }
} }
if (pointCount > 0)
status = SDL_RenderDrawPoints(renderer, points, pointCount);
return status; return status;
} }

5
SpaceCadetPinball/midi.cpp
View file

@ -227,7 +227,8 @@ std::vector<uint8_t>* midi::MdsToMidi(std::string file)
fseek(fileHandle, 0, SEEK_END); fseek(fileHandle, 0, SEEK_END);
auto fileSize = static_cast<uint32_t>(ftell(fileHandle)); auto fileSize = static_cast<uint32_t>(ftell(fileHandle));
auto fileBuf = reinterpret_cast<riff_header*>(new uint8_t [fileSize]); auto buffer = new uint8_t[fileSize];
auto fileBuf = reinterpret_cast<riff_header*>(buffer);
fseek(fileHandle, 0, SEEK_SET); fseek(fileHandle, 0, SEEK_SET);
fread(fileBuf, 1, fileSize, fileHandle); fread(fileBuf, 1, fileSize, fileHandle);
fclose(fileHandle); fclose(fileHandle);
@ -371,7 +372,7 @@ std::vector<uint8_t>* midi::MdsToMidi(std::string file)
} }
while (false); while (false);
delete[] fileBuf; delete[] buffer;
if (returnCode && midiOut) if (returnCode && midiOut)
{ {
delete midiOut; delete midiOut;

19
SpaceCadetPinball/winmain.cpp
View file

@ -211,11 +211,22 @@ int winmain::WinMain(LPCSTR lpCmdLine)
float dy = static_cast<float>(y - last_mouse_y) / static_cast<float>(h); float dy = static_cast<float>(y - last_mouse_y) / static_cast<float>(h);
pb::ballset(dx, dy); pb::ballset(dx, dy);
SDL_WarpMouseInWindow(window, last_mouse_x, last_mouse_y); // Original creates continuous mouse movement with mouse capture.
// Alternative solution: mouse warp at window edges.
int xMod = 0, yMod = 0;
if (x == 0 || x >= w - 1)
xMod = w - 2;
if (y == 0 || y >= h - 1)
yMod = h - 2;
if (xMod != 0 || yMod != 0)
{
// Mouse warp does not work over remote desktop or in some VMs
x = abs(x - xMod); y = abs(y - yMod);
SDL_WarpMouseInWindow(window, x, y);
}
// Mouse warp does not work over remote desktop or in some VMs last_mouse_x = x;
//last_mouse_x = x; last_mouse_y = y;
//last_mouse_y = y;
} }
if (!single_step && !no_time_loss) if (!single_step && !no_time_loss)
{ {