/
v_draw.cpp
1607 lines (1397 loc) · 41.3 KB
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v_draw.cpp
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/*
** v_draw.cpp
** Draw patches and blocks to a canvas
**
**---------------------------------------------------------------------------
** Copyright 1998-2008 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include <stdio.h>
#include <stdarg.h>
#include "v_draw.h"
#include "vm.h"
#include "texturemanager.h"
#include "r_videoscale.h"
#include "c_cvars.h"
EXTERN_CVAR(Int, vid_aspect)
EXTERN_CVAR(Int, uiscale)
CVAR(Bool, ui_screenborder_classic_scaling, true, CVAR_ARCHIVE)
// vid_allowtrueultrawide - preserve the classic behavior of stretching screen elements to 16:9 when false
// Defaults to "true" now because "21:9" (actually actually 64:27) screens are becoming more common, it's
// nonsense that graphics should not be able to actually use that extra screen space.
extern bool setsizeneeded;
CUSTOM_CVAR(Int, vid_allowtrueultrawide, 1, CVAR_ARCHIVE|CVAR_NOINITCALL)
{
setsizeneeded = true;
}
static void VirtualToRealCoords(F2DDrawer* drawer, double Width, double Height, double& x, double& y, double& w, double& h,
double vwidth, double vheight, bool vbottom, bool handleaspect);
// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
int ActiveFakeRatio(int width, int height)
{
int fakeratio = -1;
if ((vid_aspect >= 1) && (vid_aspect <= 6))
{
// [SP] User wants to force aspect ratio; let them.
fakeratio = int(vid_aspect);
if (fakeratio == 3)
{
fakeratio = 0;
}
else if (fakeratio == 5)
{
fakeratio = 3;
}
}
return fakeratio;
}
// Active screen ratio based on cvars and size
float ActiveRatio(int width, int height, float* trueratio)
{
static float forcedRatioTypes[] =
{
4 / 3.0f,
16 / 9.0f,
16 / 10.0f,
17 / 10.0f,
5 / 4.0f,
17 / 10.0f,
64 / 27.0f // 21:9 is actually 64:27 in reality - pow(4/3, 3.0) - https://en.wikipedia.org/wiki/21:9_aspect_ratio
};
float ratio = width / (float)height;
int fakeratio = ActiveFakeRatio(width, height);
if (trueratio)
*trueratio = ratio;
return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : (ratio / ViewportPixelAspect());
}
bool AspectTallerThanWide(float aspect)
{
return aspect < 1.333f;
}
int AspectBaseWidth(float aspect)
{
return (int)round(240.0f * aspect * 3.0f);
}
int AspectBaseHeight(float aspect)
{
if (!AspectTallerThanWide(aspect))
return (int)round(200.0f * (320.0f / (AspectBaseWidth(aspect) / 3.0f)) * 3.0f);
else
return (int)round((200.0f * (4.0f / 3.0f)) / aspect * 3.0f);
}
double AspectPspriteOffset(float aspect)
{
if (!AspectTallerThanWide(aspect))
return 0.0;
else
return ((4.0 / 3.0) / aspect - 1.0) * 97.5;
}
int AspectMultiplier(float aspect)
{
if (!AspectTallerThanWide(aspect))
return (int)round(320.0f / (AspectBaseWidth(aspect) / 3.0f) * 48.0f);
else
return (int)round(200.0f / (AspectBaseHeight(aspect) / 3.0f) * 48.0f);
}
int GetUIScale(F2DDrawer *drawer, int altval)
{
int scaleval;
if (altval > 0) scaleval = altval;
else if (uiscale == 0)
{
// Default should try to scale to 640x400
int vscale = drawer->GetHeight() / 400;
int hscale = drawer->GetWidth() / 640;
scaleval = clamp(vscale, 1, hscale);
}
else scaleval = uiscale;
// block scales that result in something larger than the current screen.
int vmax = drawer->GetHeight() / 200;
int hmax = drawer->GetWidth() / 320;
int max = std::max(vmax, hmax);
return std::max(1,min(scaleval, max));
}
// The new console font is twice as high, so the scaling calculation must factor that in.
int GetConScale(F2DDrawer* drawer, int altval)
{
int scaleval;
if (altval > 0) scaleval = (altval+1) / 2;
else if (uiscale == 0)
{
// Default should try to scale to 640x400
int vscale = drawer->GetHeight() / 800;
int hscale = drawer->GetWidth() / 1280;
scaleval = clamp(vscale, 1, hscale);
}
else scaleval = (uiscale+1) / 2;
// block scales that result in something larger than the current screen.
int vmax = drawer->GetHeight() / 400;
int hmax = drawer->GetWidth() / 640;
int max = std::max(vmax, hmax);
return std::max(1, min(scaleval, max));
}
// [RH] Stretch values to make a 320x200 image best fit the screen
// without using fractional steppings
int CleanXfac, CleanYfac;
// [RH] Effective screen sizes that the above scale values give you
int CleanWidth, CleanHeight;
// Above minus 1 (or 1, if they are already 1)
int CleanXfac_1, CleanYfac_1, CleanWidth_1, CleanHeight_1;
//==========================================================================
//
// Internal texture drawing function
//
//==========================================================================
void DrawTexture(F2DDrawer *drawer, FGameTexture* img, double x, double y, int tags_first, ...)
{
Va_List tags;
va_start(tags.list, tags_first);
DrawParms parms;
if (!img || !img->isValid()) return;
bool res = ParseDrawTextureTags(drawer, img, x, y, tags_first, tags, &parms, false);
va_end(tags.list);
if (!res)
{
return;
}
drawer->AddTexture(img, parms);
}
//==========================================================================
//
// ZScript texture drawing function
//
//==========================================================================
int ListGetInt(VMVa_List &tags);
static void DrawTexture(F2DDrawer *drawer, FGameTexture *img, double x, double y, VMVa_List &args)
{
DrawParms parms;
uint32_t tag = ListGetInt(args);
if (!img || !img->isValid()) return;
bool res = ParseDrawTextureTags(drawer, img, x, y, tag, args, &parms, false);
if (!res) return;
drawer->AddTexture(img, parms);
}
DEFINE_ACTION_FUNCTION(_Screen, DrawTexture)
{
PARAM_PROLOGUE;
PARAM_INT(texid);
PARAM_BOOL(animate);
PARAM_FLOAT(x);
PARAM_FLOAT(y);
PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
auto tex = TexMan.GameByIndex(texid, animate);
VMVa_List args = { param + 4, 0, numparam - 5, va_reginfo + 4 };
DrawTexture(twod, tex, x, y, args);
return 0;
}
//==========================================================================
//
// ZScript arbitrary textured shape drawing functions
//
//==========================================================================
void DrawShape(F2DDrawer *drawer, FGameTexture *img, DShape2D *shape, int tags_first, ...)
{
Va_List tags;
va_start(tags.list, tags_first);
DrawParms parms;
bool res = ParseDrawTextureTags(drawer, img, 0, 0, tags_first, tags, &parms, false);
va_end(tags.list);
if (!res) return;
drawer->AddShape(img, shape, parms);
}
void DrawShape(F2DDrawer *drawer, FGameTexture *img, DShape2D *shape, VMVa_List &args)
{
DrawParms parms;
uint32_t tag = ListGetInt(args);
bool res = ParseDrawTextureTags(drawer, img, 0, 0, tag, args, &parms, false);
if (!res) return;
drawer->AddShape(img, shape, parms);
}
DEFINE_ACTION_FUNCTION(_Screen, DrawShape)
{
PARAM_PROLOGUE;
PARAM_INT(texid);
PARAM_BOOL(animate);
PARAM_POINTER(shape, DShape2D);
PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
auto tex = TexMan.GameByIndex(texid, animate);
VMVa_List args = { param + 3, 0, numparam - 4, va_reginfo + 3 };
DrawShape(twod, tex, shape, args);
return 0;
}
//==========================================================================
//
// Clipping rect
//
//==========================================================================
void F2DDrawer::SetClipRect(int x, int y, int w, int h)
{
clipleft = clamp(x, 0, GetWidth());
clipwidth = clamp(w, -1, GetWidth() - x);
cliptop = clamp(y, 0, GetHeight());
clipheight = clamp(h, -1, GetHeight() - y);
}
DEFINE_ACTION_FUNCTION(_Screen, SetClipRect)
{
PARAM_PROLOGUE;
PARAM_INT(x);
PARAM_INT(y);
PARAM_INT(w);
PARAM_INT(h);
twod->SetClipRect(x, y, w, h);
return 0;
}
DEFINE_ACTION_FUNCTION(_Screen, ClearClipRect)
{
PARAM_PROLOGUE;
twod->ClearClipRect();
return 0;
}
DEFINE_ACTION_FUNCTION(_Screen, ClearScreen)
{
PARAM_PROLOGUE;
twod->ClearScreen();
return 0;
}
DEFINE_ACTION_FUNCTION(_Screen, SetScreenFade)
{
PARAM_PROLOGUE;
PARAM_FLOAT(x);
twod->SetScreenFade(float(x));
return 0;
}
void F2DDrawer::GetClipRect(int *x, int *y, int *w, int *h)
{
if (x) *x = clipleft;
if (y) *y = cliptop;
if (w) *w = clipwidth;
if (h) *h = clipheight;
}
DEFINE_ACTION_FUNCTION(_Screen, GetClipRect)
{
PARAM_PROLOGUE;
int x, y, w, h;
twod->GetClipRect(&x, &y, &w, &h);
if (numret > 0) ret[0].SetInt(x);
if (numret > 1) ret[1].SetInt(y);
if (numret > 2) ret[2].SetInt(w);
if (numret > 3) ret[3].SetInt(h);
return min(numret, 4);
}
void CalcFullscreenScale(DrawParms *parms, double srcwidth, double srcheight, int oautoaspect, DoubleRect &rect)
{
auto GetWidth = [=]() { return parms->viewport.width; };
auto GetHeight = [=]() {return parms->viewport.height; };
int autoaspect = oautoaspect;
if (autoaspect == FSMode_ScaleToScreen)
{
rect.left = rect.top = 0;
rect.width = GetWidth();
rect.height = GetHeight();
return;
}
double aspect;
if (srcheight == 200) srcheight = 240.;
else if (srcheight == 400) srcheight = 480;
aspect = srcwidth / srcheight;
rect.left = rect.top = 0;
auto screenratio = ActiveRatio(GetWidth(), GetHeight());
if (autoaspect == FSMode_ScaleToFit43 || autoaspect == FSMode_ScaleToFit43Top || autoaspect == FSMode_ScaleToFit43Bottom)
{
// screen is wider than the image -> pillarbox it. 4:3 images must also be pillarboxed if the screen is taller than the image
if (screenratio >= aspect || aspect < 1.4) autoaspect = FSMode_ScaleToFit;
else if (screenratio > 1.32) autoaspect = FSMode_ScaleToFill; // on anything 4:3 and wider crop the sides of the image.
else
{
// special case: Crop image to 4:3 and then letterbox this. This avoids too much cropping on narrow windows.
double width4_3 = srcheight * (4. / 3.);
rect.width = (double)GetWidth() * srcwidth / width4_3;
rect.height = GetHeight() * screenratio * (3. / 4.); // use 4:3 for the image
rect.left = (double)GetWidth() * (-(srcwidth - width4_3) / 2) / width4_3;
switch (oautoaspect)
{
default:
rect.top = (GetHeight() - rect.height) / 2;
break;
case FSMode_ScaleToFit43Top:
rect.top = 0;
break;
case FSMode_ScaleToFit43Bottom:
rect.top = (GetHeight() - rect.height);
break;
}
return;
}
}
if (autoaspect == FSMode_ScaleToHeight || (screenratio > aspect) ^ (autoaspect == FSMode_ScaleToFill))
{
// pillarboxed or vertically cropped (i.e. scale to height)
rect.height = GetHeight();
rect.width = GetWidth() * aspect / screenratio;
rect.left = (GetWidth() - rect.width) / 2;
}
else
{
// letterboxed or horizontally cropped (i.e. scale to width)
rect.width = GetWidth();
rect.height = GetHeight() * screenratio / aspect;
switch (oautoaspect)
{
default:
rect.top = (GetHeight() - rect.height) / 2;
break;
case FSMode_ScaleToFit43Top:
rect.top = 0;
break;
case FSMode_ScaleToFit43Bottom:
rect.top = (GetHeight() - rect.height);
break;
}
}
}
void GetFullscreenRect(double width, double height, int fsmode, DoubleRect* rect)
{
DrawParms parms;
parms.viewport.width = twod->GetWidth();
parms.viewport.height = twod->GetHeight();
CalcFullscreenScale(&parms, width, height, fsmode, *rect);
}
DEFINE_ACTION_FUNCTION(_Screen, GetFullscreenRect)
{
PARAM_PROLOGUE;
PARAM_FLOAT(virtw);
PARAM_FLOAT(virth);
PARAM_INT(fsmode);
DrawParms parms;
DoubleRect rect;
parms.viewport.width = twod->GetWidth();
parms.viewport.height = twod->GetHeight();
CalcFullscreenScale(&parms, virtw, virth, fsmode, rect);
if (numret >= 1) ret[0].SetFloat(rect.left);
if (numret >= 2) ret[1].SetFloat(rect.top);
if (numret >= 3) ret[2].SetFloat(rect.width);
if (numret >= 4) ret[3].SetFloat(rect.height);
return min(numret, 4);
}
//==========================================================================
//
// Draw parameter parsing
//
//==========================================================================
bool SetTextureParms(F2DDrawer * drawer, DrawParms *parms, FGameTexture *img, double xx, double yy)
{
auto GetWidth = [=]() { return parms->viewport.width; };
auto GetHeight = [=]() {return parms->viewport.height; };
if (img != NULL)
{
parms->x = xx;
parms->y = yy;
parms->texwidth = img->GetDisplayWidth();
parms->texheight = img->GetDisplayHeight();
if (parms->top == INT_MAX || parms->fortext)
{
parms->top = img->GetDisplayTopOffset();
}
if (parms->left == INT_MAX || parms->fortext)
{
parms->left = img->GetDisplayLeftOffset();
}
if (parms->destwidth == INT_MAX || parms->fortext)
{
parms->destwidth = parms->texwidth;
}
if (parms->destheight == INT_MAX || parms->fortext)
{
parms->destheight = parms->texheight;
}
parms->destwidth *= parms->patchscalex;
parms->destheight *= parms->patchscaley;
if (parms->flipoffsets && parms->flipY) parms->top = parms->texheight - parms->top;
if (parms->flipoffsets && parms->flipX) parms->left = parms->texwidth - parms->left;
switch (parms->cleanmode)
{
default:
break;
case DTA_Clean:
parms->x = (parms->x - 160.0) * CleanXfac + (GetWidth() * 0.5);
parms->y = (parms->y - 100.0) * CleanYfac + (GetHeight() * 0.5);
parms->destwidth = parms->texwidth * CleanXfac;
parms->destheight = parms->texheight * CleanYfac;
break;
case DTA_CleanTop:
parms->x = (parms->x - 160.0) * CleanXfac + (GetWidth() * 0.5);
parms->y = (parms->y) * CleanYfac;
parms->destwidth = parms->texwidth * CleanXfac;
parms->destheight = parms->texheight * CleanYfac;
break;
case DTA_CleanNoMove:
parms->destwidth = parms->texwidth * CleanXfac;
parms->destheight = parms->texheight * CleanYfac;
break;
case DTA_CleanNoMove_1:
parms->destwidth = parms->texwidth * CleanXfac_1;
parms->destheight = parms->texheight * CleanYfac_1;
break;
case DTA_Base:
if (parms->fsscalemode > 0)
{
// First calculate the destination rect for an image of the given size and then reposition this object in it.
DoubleRect rect;
CalcFullscreenScale(parms, parms->virtWidth, parms->virtHeight, parms->fsscalemode, rect);
double adder = parms->keepratio < 0 ? 0 : parms->keepratio == 0 ? rect.left : 2 * rect.left;
parms->x = parms->viewport.left + adder + parms->x * rect.width / parms->virtWidth;
parms->y = parms->viewport.top + rect.top + parms->y * rect.height / parms->virtHeight;
parms->destwidth = parms->destwidth * rect.width / parms->virtWidth;
parms->destheight = parms->destheight * rect.height / parms->virtHeight;
return false;
}
break;
case DTA_Fullscreen:
case DTA_FullscreenEx:
{
DoubleRect rect;
CalcFullscreenScale(parms, parms->texwidth, parms->texheight, parms->fsscalemode, rect);
parms->keepratio = -1;
parms->x = parms->viewport.left + rect.left;
parms->y = parms->viewport.top + rect.top;
parms->destwidth = rect.width;
parms->destheight = rect.height;
parms->top = parms->left = 0;
return false; // Do not call VirtualToRealCoords for this!
}
case DTA_HUDRules:
case DTA_HUDRulesC:
{
// Note that this has been deprecated and become non-functional. The HUD should be drawn by the status bar.
bool xright = parms->x < 0;
bool ybot = parms->y < 0;
DVector2 scale = { 1., 1. };
parms->x *= scale.X;
if (parms->cleanmode == DTA_HUDRulesC)
parms->x += GetWidth() * 0.5;
else if (xright)
parms->x = GetWidth() + parms->x;
parms->y *= scale.Y;
if (ybot)
parms->y = GetHeight() + parms->y;
parms->destwidth = parms->texwidth * scale.X;
parms->destheight = parms->texheight * scale.Y;
break;
}
}
if (parms->virtWidth != GetWidth() || parms->virtHeight != GetHeight())
{
VirtualToRealCoords(drawer, GetWidth(), GetHeight(), parms->x, parms->y, parms->destwidth, parms->destheight,
parms->virtWidth, parms->virtHeight, parms->virtBottom, !parms->keepratio);
}
parms->x += parms->viewport.left;
parms->y += parms->viewport.top;
}
return false;
}
//==========================================================================
//
// template helpers
//
//==========================================================================
static void ListEnd(Va_List &tags)
{
va_end(tags.list);
}
static int ListGetInt(Va_List &tags)
{
return va_arg(tags.list, int);
}
static inline double ListGetDouble(Va_List &tags)
{
return va_arg(tags.list, double);
}
static inline FSpecialColormap * ListGetSpecialColormap(Va_List &tags)
{
return va_arg(tags.list, FSpecialColormap *);
}
static void ListEnd(VMVa_List &tags)
{
}
int ListGetInt(VMVa_List &tags)
{
if (tags.curindex < tags.numargs)
{
if (tags.reginfo[tags.curindex] == REGT_INT)
{
return tags.args[tags.curindex++].i;
}
ThrowAbortException(X_OTHER, "Invalid parameter in draw function, int expected");
}
return TAG_DONE;
}
static inline double ListGetDouble(VMVa_List &tags)
{
if (tags.curindex < tags.numargs)
{
if (tags.reginfo[tags.curindex] == REGT_FLOAT)
{
return tags.args[tags.curindex++].f;
}
if (tags.reginfo[tags.curindex] == REGT_INT)
{
return tags.args[tags.curindex++].i;
}
ThrowAbortException(X_OTHER, "Invalid parameter in draw function, float expected");
}
return 0;
}
static inline FSpecialColormap * ListGetSpecialColormap(VMVa_List &tags)
{
ThrowAbortException(X_OTHER, "Invalid tag in draw function");
return nullptr;
}
//==========================================================================
//
// Main taglist parsing
//
//==========================================================================
template<class T>
bool ParseDrawTextureTags(F2DDrawer *drawer, FGameTexture *img, double x, double y, uint32_t tag, T& tags, DrawParms *parms, bool fortext)
{
INTBOOL boolval;
int intval;
bool translationset = false;
bool fillcolorset = false;
if (!fortext)
{
if (img == NULL || !img->isValid())
{
ListEnd(tags);
return false;
}
}
// Do some sanity checks on the coordinates.
if (x < -16383 || x > 16383 || y < -16383 || y > 16383)
{
ListEnd(tags);
return false;
}
parms->fortext = fortext;
parms->windowleft = 0;
parms->windowright = INT_MAX;
parms->dclip = drawer->GetHeight();
parms->uclip = 0;
parms->lclip = 0;
parms->rclip = drawer->GetWidth();
parms->left = INT_MAX;
parms->top = INT_MAX;
parms->destwidth = INT_MAX;
parms->destheight = INT_MAX;
parms->Alpha = 1.f;
parms->fillcolor = -1;
parms->TranslationId = -1;
parms->colorOverlay = 0;
parms->alphaChannel = false;
parms->flipX = false;
parms->flipY = false;
parms->color = 0xffffffff;
//parms->shadowAlpha = 0;
parms->shadowColor = 0;
parms->virtWidth = INT_MAX; // these need to match the viewport if not explicitly set, but we do not know that yet.
parms->virtHeight = INT_MAX;
parms->keepratio = false;
parms->style.BlendOp = 255; // Dummy "not set" value
parms->masked = true;
parms->bilinear = false;
parms->specialcolormap = NULL;
parms->desaturate = 0;
parms->cleanmode = DTA_Base;
parms->scalex = parms->scaley = 1;
parms->cellx = parms->celly = 0;
parms->maxstrlen = INT_MAX;
parms->virtBottom = false;
parms->srcx = 0.;
parms->srcy = 0.;
parms->srcwidth = 1.;
parms->srcheight = 1.;
parms->burn = false;
parms->monospace = EMonospacing::Off;
parms->spacing = 0;
parms->fsscalemode = -1;
parms->patchscalex = parms->patchscaley = 1;
parms->viewport = { 0,0,drawer->GetWidth(), drawer->GetHeight() };
parms->rotateangle = 0;
parms->flipoffsets = false;
parms->indexed = false;
parms->nooffset = false;
// Parse the tag list for attributes. (For floating point attributes,
// consider that the C ABI dictates that all floats be promoted to
// doubles when passed as function arguments.)
while (tag != TAG_DONE)
{
switch (tag)
{
default:
ListGetInt(tags);
break;
case DTA_DestWidth:
assert(fortext == false);
if (fortext) return false;
parms->cleanmode = DTA_Base;
parms->destwidth = ListGetInt(tags);
break;
case DTA_DestWidthF:
assert(fortext == false);
if (fortext) return false;
parms->cleanmode = DTA_Base;
parms->destwidth = ListGetDouble(tags);
break;
case DTA_DestHeight:
assert(fortext == false);
if (fortext) return false;
parms->cleanmode = DTA_Base;
parms->destheight = ListGetInt(tags);
break;
case DTA_DestHeightF:
assert(fortext == false);
if (fortext) return false;
parms->cleanmode = DTA_Base;
parms->destheight = ListGetDouble(tags);
break;
case DTA_Clean:
case DTA_CleanTop:
boolval = ListGetInt(tags);
if (boolval)
{
parms->scalex = 1;
parms->scaley = 1;
parms->cleanmode = tag;
}
break;
case DTA_CleanNoMove:
boolval = ListGetInt(tags);
if (boolval)
{
parms->scalex = CleanXfac;
parms->scaley = CleanYfac;
parms->cleanmode = tag;
}
break;
case DTA_CleanNoMove_1:
boolval = ListGetInt(tags);
if (boolval)
{
parms->scalex = CleanXfac_1;
parms->scaley = CleanYfac_1;
parms->cleanmode = tag;
}
break;
case DTA_320x200:
boolval = ListGetInt(tags);
if (boolval)
{
parms->cleanmode = DTA_Base;
parms->scalex = 1;
parms->scaley = 1;
parms->virtWidth = 320;
parms->virtHeight = 200;
}
break;
case DTA_Bottom320x200:
boolval = ListGetInt(tags);
if (boolval)
{
parms->cleanmode = DTA_Base;
parms->scalex = 1;
parms->scaley = 1;
parms->virtWidth = 320;
parms->virtHeight = 200;
}
parms->virtBottom = true;
break;
case DTA_HUDRules:
intval = ListGetInt(tags);
parms->cleanmode = intval == HUD_HorizCenter ? DTA_HUDRulesC : DTA_HUDRules;
break;
case DTA_VirtualWidth:
parms->cleanmode = DTA_Base;
parms->virtWidth = ListGetInt(tags);
break;
case DTA_VirtualWidthF:
parms->cleanmode = DTA_Base;
parms->virtWidth = ListGetDouble(tags);
break;
case DTA_VirtualHeight:
parms->cleanmode = DTA_Base;
parms->virtHeight = ListGetInt(tags);
break;
case DTA_VirtualHeightF:
parms->cleanmode = DTA_Base;
parms->virtHeight = ListGetDouble(tags);
break;
case DTA_FullscreenScale:
intval = ListGetInt(tags);
if (intval >= FSMode_None && intval < FSMode_Max)
{
parms->fsscalemode = (int8_t)intval;
}
else if (intval >= FSMode_Predefined && intval < FSMode_Predefined_Max)
{
static const uint8_t modes[] = { FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43Top};
static const uint16_t widths[] = { 320, 320, 640, 640, 320};
static const uint16_t heights[] = { 200, 240, 400, 480, 200};
parms->fsscalemode = modes[intval - FSMode_Predefined];
parms->virtWidth = widths[intval - FSMode_Predefined];
parms->virtHeight = heights[intval - FSMode_Predefined];
}
break;
case DTA_Fullscreen:
boolval = ListGetInt(tags);
if (boolval)
{
assert(fortext == false);
if (img == NULL) return false;
parms->cleanmode = DTA_Fullscreen;
parms->fsscalemode = (uint8_t)twod->fullscreenautoaspect;
parms->virtWidth = img->GetDisplayWidth();
parms->virtHeight = img->GetDisplayHeight();
}
break;
case DTA_FullscreenEx:
intval = ListGetInt(tags);
if (intval >= 0 && intval <= 3)
{
assert(fortext == false);
if (img == NULL) return false;
parms->cleanmode = DTA_Fullscreen;
parms->fsscalemode = (uint8_t)intval;
parms->virtWidth = img->GetDisplayWidth();
parms->virtHeight = img->GetDisplayHeight();
}
break;
case DTA_Alpha:
parms->Alpha = (float)(min<double>(1., ListGetDouble(tags)));
break;
case DTA_AlphaChannel:
parms->alphaChannel = ListGetInt(tags);
break;
case DTA_FillColor:
parms->fillcolor = ListGetInt(tags);
if (parms->fillcolor != ~0u)
{
fillcolorset = true;
}
else if (parms->fillcolor != 0)
{
// The crosshair is the only thing which uses a non-black fill color.
parms->fillcolor = PalEntry(ColorMatcher.Pick(parms->fillcolor), RPART(parms->fillcolor), GPART(parms->fillcolor), BPART(parms->fillcolor));
}
break;
case DTA_TranslationIndex:
parms->TranslationId = ListGetInt(tags);
break;
case DTA_ColorOverlay:
parms->colorOverlay = ListGetInt(tags);
break;
case DTA_Color:
parms->color = ListGetInt(tags);
break;
case DTA_FlipX:
parms->flipX = ListGetInt(tags);
break;
case DTA_FlipY:
parms->flipY = ListGetInt(tags);
break;
case DTA_FlipOffsets:
parms->flipoffsets = ListGetInt(tags);
break;
case DTA_NoOffset:
parms->nooffset = ListGetInt(tags);
break;
case DTA_SrcX:
parms->srcx = ListGetDouble(tags) / img->GetDisplayWidth();
break;
case DTA_SrcY:
parms->srcy = ListGetDouble(tags) / img->GetDisplayHeight();
break;
case DTA_SrcWidth:
parms->srcwidth = ListGetDouble(tags) / img->GetDisplayWidth();
break;
case DTA_SrcHeight:
parms->srcheight = ListGetDouble(tags) / img->GetDisplayHeight();
break;
case DTA_TopOffset:
assert(fortext == false);
if (fortext) return false;
parms->top = ListGetInt(tags);
break;
case DTA_TopOffsetF:
assert(fortext == false);
if (fortext) return false;
parms->top = ListGetDouble(tags);
break;
case DTA_LeftOffset:
assert(fortext == false);
if (fortext) return false;
parms->left = ListGetInt(tags);
break;
case DTA_LeftOffsetF:
assert(fortext == false);
if (fortext) return false;
parms->left = ListGetDouble(tags);
break;
case DTA_TopLeft:
assert(fortext == false);
if (fortext) return false;
if (ListGetInt(tags))
{