void CMouseHandler::DrawSelectionBox()
{
dir = hide ? camera->forward : camera->CalcPixelDir(lastx, lasty);
if (activeReceiver) {
return;
}
if (gu->fpsMode) {
return;
}
ButtonPressEvt& bp = buttons[SDL_BUTTON_LEFT];
if (bp.pressed && !bp.chorded && (bp.movement > 4) &&
(!inMapDrawer || !inMapDrawer->IsDrawMode()))
{
float2 topright, btmleft;
GetSelectionBoxCoeff(bp.camPos, bp.dir, camera->pos, dir, topright, btmleft);
float3 dir1S = camera->right * topright.x;
float3 dir1U = camera->up * topright.y;
float3 dir2S = camera->right * btmleft.x;
float3 dir2U = camera->up * btmleft.y;
glColor4fv(cmdColors.mouseBox);
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_FOG);
glDisable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc((GLenum)cmdColors.MouseBoxBlendSrc(),
(GLenum)cmdColors.MouseBoxBlendDst());
glLineWidth(cmdColors.MouseBoxLineWidth());
float3 verts[] = {
camera->pos + (dir1U + dir1S + camera->forward) * 30,
camera->pos + (dir2U + dir1S + camera->forward) * 30,
camera->pos + (dir2U + dir2S + camera->forward) * 30,
camera->pos + (dir1U + dir2S + camera->forward) * 30,
};
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, verts);
glDrawArrays(GL_LINE_LOOP, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glLineWidth(1.0f);
glPopAttrib();
}
}
void CMouseHandler::MouseRelease(int x, int y, int button)
{
if (button > NUM_BUTTONS)
return;
camHandler->GetCurrentController().MouseRelease(x, y, button);
dir = hide ? camera->forward : camera->CalcPixelDir(x, y);
buttons[button].pressed = false;
if (inMapDrawer && inMapDrawer->IsDrawMode()){
inMapDrawer->MouseRelease(x, y, button);
return;
}
if (activeReceiver) {
activeReceiver->MouseRelease(x, y, button);
if(!buttons[SDL_BUTTON_LEFT].pressed && !buttons[SDL_BUTTON_MIDDLE].pressed && !buttons[SDL_BUTTON_RIGHT].pressed)
activeReceiver = NULL;
return;
}
GML_RECMUTEX_LOCK(sel); //FIXME redundant? (selectedUnits already has mutexes)
// Switch camera mode on a middle click that wasn't a middle mouse drag scroll.
// the latter is determined by the time the mouse was held down:
// switch (dragScrollThreshold)
// <= means a camera mode switch
// > means a drag scroll
if (button == SDL_BUTTON_MIDDLE) {
if (buttons[SDL_BUTTON_MIDDLE].time > (gu->gameTime - dragScrollThreshold))
ToggleMiddleClickScroll();
return;
}
if (gu->fpsMode) {
return;
}
if ((button == SDL_BUTTON_LEFT) && !buttons[button].chorded) {
ButtonPressEvt& bp = buttons[SDL_BUTTON_LEFT];
if (!keyInput->IsKeyPressed(SDLK_LSHIFT) && !keyInput->IsKeyPressed(SDLK_LCTRL)) {
selectedUnits.ClearSelected();
}
if (bp.movement > 4) {
// select box
float2 topright, btmleft;
GetSelectionBoxCoeff(bp.camPos, bp.dir, camera->pos, dir, topright, btmleft);
// GetSelectionBoxCoeff returns us the corner pos, but we want to do a inview frustum check.
// To do so we need the frustum planes (= plane normal + plane offset).
float3 norm1 = camera->up;
float3 norm2 = -camera->up;
float3 norm3 = camera->right;
float3 norm4 = -camera->right;
#define signf(x) ((x>0.0f) ? 1.0f : -1)
if (topright.y != 0) norm1 = (camera->forward * signf(-topright.y)) + (camera->up / math::fabs(topright.y));
if (btmleft.y != 0) norm2 = (camera->forward * signf( btmleft.y)) - (camera->up / math::fabs(btmleft.y));
if (topright.x != 0) norm3 = (camera->forward * signf(-topright.x)) + (camera->right / math::fabs(topright.x));
if (btmleft.x != 0) norm4 = (camera->forward * signf( btmleft.x)) - (camera->right / math::fabs(btmleft.x));
const float4 plane1(norm1, -(norm1.dot(camera->pos)));
const float4 plane2(norm2, -(norm2.dot(camera->pos)));
const float4 plane3(norm3, -(norm3.dot(camera->pos)));
const float4 plane4(norm4, -(norm4.dot(camera->pos)));
selectedUnits.HandleUnitBoxSelection(plane1, plane2, plane3, plane4);
} else {
CUnit* unit;
CFeature* feature;
TraceRay::GuiTraceRay(camera->pos, dir, globalRendering->viewRange * 1.4f, NULL, unit, feature, false);
selectedUnits.HandleSingleUnitClickSelection(unit, true);
}
bp.lastRelease = gu->gameTime;
}
}
void CMouseHandler::MouseRelease(int x, int y, int button)
{
const CUnit *_lastClicked = lastClicked;
lastClicked = nullptr;
if (button > NUM_BUTTONS)
return;
dir = hide ? camera->GetDir() : camera->CalcPixelDir(x, y);
buttons[button].pressed = false;
if (inMapDrawer && inMapDrawer->IsDrawMode()){
inMapDrawer->MouseRelease(x, y, button);
return;
}
if (activeReceiver != nullptr) {
activeReceiver->MouseRelease(x, y, button);
if (!buttons[SDL_BUTTON_LEFT].pressed && !buttons[SDL_BUTTON_MIDDLE].pressed && !buttons[SDL_BUTTON_RIGHT].pressed)
activeReceiver = nullptr;
return;
}
// Switch camera mode on a middle click that wasn't a middle mouse drag scroll.
// the latter is determined by the time the mouse was held down:
// switch (dragScrollThreshold)
// <= means a camera mode switch
// > means a drag scroll
if (button == SDL_BUTTON_MIDDLE) {
if (buttons[SDL_BUTTON_MIDDLE].time > (gu->gameTime - dragScrollThreshold))
ToggleMiddleClickScroll();
return;
}
if (gu->fpsMode)
return;
// outside game, neither guiHandler nor quadField exist and TraceRay would crash
if (guihandler == nullptr)
return;
if ((button == SDL_BUTTON_LEFT) && !buttons[button].chorded) {
ButtonPressEvt& bp = buttons[SDL_BUTTON_LEFT];
if (!KeyInput::GetKeyModState(KMOD_SHIFT) && !KeyInput::GetKeyModState(KMOD_CTRL))
selectedUnitsHandler.ClearSelected();
if (bp.movement > 4) {
// select box
float2 topright, btmleft;
GetSelectionBoxCoeff(bp.camPos, bp.dir, camera->GetPos(), dir, topright, btmleft);
// GetSelectionBoxCoeff returns us the corner pos, but we want to do a inview frustum check.
// To do so we need the frustum planes (= plane normal + plane offset).
float3 norm1 = camera->GetUp();
float3 norm2 = -camera->GetUp();
float3 norm3 = camera->GetRight();
float3 norm4 = -camera->GetRight();
#define signf(x) ((x>0.0f) ? 1.0f : -1)
if (topright.y != 0) norm1 = (camera->GetDir() * signf(-topright.y)) + (camera->GetUp() / math::fabs(topright.y));
if (btmleft.y != 0) norm2 = (camera->GetDir() * signf( btmleft.y)) - (camera->GetUp() / math::fabs(btmleft.y));
if (topright.x != 0) norm3 = (camera->GetDir() * signf(-topright.x)) + (camera->GetRight() / math::fabs(topright.x));
if (btmleft.x != 0) norm4 = (camera->GetDir() * signf( btmleft.x)) - (camera->GetRight() / math::fabs(btmleft.x));
const float4 plane1(norm1, -(norm1.dot(camera->GetPos())));
const float4 plane2(norm2, -(norm2.dot(camera->GetPos())));
const float4 plane3(norm3, -(norm3.dot(camera->GetPos())));
const float4 plane4(norm4, -(norm4.dot(camera->GetPos())));
selectedUnitsHandler.HandleUnitBoxSelection(plane1, plane2, plane3, plane4);
} else {
const CUnit* unit = nullptr;
const CFeature* feature = nullptr;
TraceRay::GuiTraceRay(camera->GetPos(), dir, globalRendering->viewRange * 1.4f, NULL, unit, feature, false);
lastClicked = unit;
const bool selectType = (bp.lastRelease >= (gu->gameTime - doubleClickTime) && unit == _lastClicked);
selectedUnitsHandler.HandleSingleUnitClickSelection(const_cast<CUnit*>(unit), true, selectType);
}
bp.lastRelease = gu->gameTime;
}
}
