202 lines
3.5 KiB
C++
202 lines
3.5 KiB
C++
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// BiomeViewWnd.cpp
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// Implements the cBiomeViewWnd class representing the window that displays biomes
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#include "Globals.h"
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#include "BiomeViewWnd.h"
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#include "BiomeCache.h"
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#include "GeneratorBiomeSource.h"
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#include "iniFile/iniFile.h"
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const int TIMER_RERENDER = 1200;
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cBiomeViewWnd::cBiomeViewWnd(void) :
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m_Wnd(NULL),
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m_Thunk(&cBiomeViewWnd::WndProc, this),
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m_IsLButtonDown(false)
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{
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}
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bool cBiomeViewWnd::Create(HWND a_ParentWnd, LPCTSTR a_Title)
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{
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ASSERT(m_Wnd == NULL);
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InitBiomeView();
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// Create a regular STATIC window, then override its window procedure with our own. No need for obnoxious RegisterWindowClass() stuff.
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m_Wnd = CreateWindow("STATIC", a_Title, WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 400, 300, a_ParentWnd, NULL, GetModuleHandle(NULL), NULL);
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if (m_Wnd == NULL)
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{
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LOGERROR("Cannot create main window: %d", GetLastError());
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return false;
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}
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SetWindowLongPtr(m_Wnd, GWLP_WNDPROC, m_Thunk);
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return true;
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}
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void cBiomeViewWnd::InitBiomeView(void)
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{
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cIniFile IniFile;
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IniFile.ReadFile("world.ini");
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int Seed = IniFile.GetValueSetI("Generator", "Seed", 0);
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bool CacheOffByDefault = false;
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m_BiomeGen = cBiomeGen::CreateBiomeGen(IniFile, Seed, CacheOffByDefault);
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m_Renderer.SetSource(new cGeneratorBiomeSource(m_BiomeGen));
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IniFile.WriteFile("world.ini");
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}
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LRESULT cBiomeViewWnd::WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lParam)
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{
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switch (a_Msg)
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{
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case WM_CLOSE: return OnClose();
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case WM_COMMAND: return OnCommand(wParam, lParam);
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case WM_LBUTTONDOWN: return OnLButtonDown(wParam, lParam);
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case WM_LBUTTONUP: return OnLButtonUp (wParam, lParam);
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case WM_MOUSEMOVE: return OnMouseMove (wParam, lParam);
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case WM_PAINT: return OnPaint();
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case WM_TIMER: return OnTimer(wParam);
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}
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return ::DefWindowProc(a_Wnd, a_Msg, wParam, lParam);
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}
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LRESULT cBiomeViewWnd::OnClose(void)
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{
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PostQuitMessage(0);
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return 0;
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}
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LRESULT cBiomeViewWnd::OnCommand(WPARAM wParam, LPARAM lParam)
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{
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// TODO: Handle menu commands, when we get menu
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return 0;
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}
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LRESULT cBiomeViewWnd::OnLButtonDown(WPARAM wParam, LPARAM lParam)
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{
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m_IsLButtonDown = true;
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GetCursorPos(&m_MouseDown);
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return 0;
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}
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LRESULT cBiomeViewWnd::OnMouseMove(WPARAM wParam, LPARAM lParam)
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{
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if (!m_IsLButtonDown)
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{
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return 0;
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}
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POINT pnt;
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GetCursorPos(&pnt);
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m_Renderer.MoveViewBy(pnt.x - m_MouseDown.x, pnt.y - m_MouseDown.y);
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if (m_Renderer.Render(m_Pixmap))
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{
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SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);
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}
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m_MouseDown = pnt;
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InvalidateRect(m_Wnd, NULL, FALSE);
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return 0;
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}
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LRESULT cBiomeViewWnd::OnLButtonUp(WPARAM wParam, LPARAM lParam)
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{
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OnMouseMove(wParam, lParam); // Last movement - if the mouse move hasn't been reported due to speed
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m_IsLButtonDown = false;
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InvalidateRect(m_Wnd, NULL, FALSE);
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return 0;
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}
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LRESULT cBiomeViewWnd::OnPaint(void)
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{
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PAINTSTRUCT ps;
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HDC DC = BeginPaint(m_Wnd, &ps);
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RECT rc;
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GetClientRect(m_Wnd, &rc);
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int Wid = rc.right - rc.left;
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int Hei = rc.bottom - rc.top;
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if ((m_Pixmap.GetWidth() != Wid) || (m_Pixmap.GetHeight() != Hei))
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{
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m_Pixmap.SetSize(Wid, Hei);
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if (m_Renderer.Render(m_Pixmap))
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{
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SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);
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}
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}
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m_Pixmap.DrawToDC(DC, 0, 0);
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EndPaint(m_Wnd, &ps);
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return 0;
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}
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LRESULT cBiomeViewWnd::OnTimer(WPARAM wParam)
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{
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switch (wParam)
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{
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case TIMER_RERENDER:
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{
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if (!m_Renderer.Render(m_Pixmap))
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{
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KillTimer(m_Wnd, TIMER_RERENDER);
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}
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InvalidateRect(m_Wnd, NULL, FALSE);
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break;
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}
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}
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return 0;
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}
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