mirror of
https://github.com/jkdansereau/goldeneye-pc-port.git
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James Dansereau
3072035417
Ammo (per-hand corner), bottom messages/title card (bottom-left) and top dialogue (text origin) scale with crisp glyphs; dialogue and bottom messages are width-capped because their line breaks are authored. 100% emits nothing (golden 3/3). Captures verified at 150/200%; Win + Linux.
50 lines
3.0 KiB
C
50 lines
3.0 KiB
C
#ifndef _HUDASPECT_H_
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#define _HUDASPECT_H_
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/* D335 (WIDESCREEN-FOV-PLAN Option B, Phase 3): HUD alignment under native
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* widescreen (D334). The world is projected at the window aspect, but 2D/HUD
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* elements are laid out in the game's 4:3 logical canvas, which fast3d
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* stretches to the window. Wrapping a HUD draw in an aspect mode makes fast3d
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* map its x undistorted (x scaled by (4/3)/window_aspect) and anchor it to
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* the left edge, the right edge, or the centre -- the PD port's
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* G_ASPECT_{LEFT,RIGHT,CENTER}_EXT extra-geometry-mode, which GE's fast3d
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* already decodes (gfx_pc.cpp gfx_sp_extra_geometry_mode /
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* gfx_update_aspect_mode). Game-includable: no SDL, no fast3d headers.
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*
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* PORT_HUD_ASPECT emits only while native widescreen is on and the window is
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* wider than 4:3; otherwise the display list is byte-identical to before. */
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#define GE_HUD_ASPECT_NONE 0x00u
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#define GE_HUD_ASPECT_LEFT 0x10u /* G_ASPECT_LEFT_EXT (port/fast3d/gbiex.h) */
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#define GE_HUD_ASPECT_RIGHT 0x20u /* G_ASPECT_RIGHT_EXT */
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#define GE_HUD_ASPECT_CENTER 0x30u /* G_ASPECT_CENTER_EXT */
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#define GE_HUD_ASPECT_MASK 0x70u /* G_ASPECT_MODE_EXT */
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#define GE_EXTRAGEOMETRYMODE_EXT 0x3a /* G_EXTRAGEOMETRYMODE_EXT */
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/* The decoder does extra_mode = (extra_mode & ~clear) | set with
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* clear = ~(w0 & 0xFFFFFF): passing ~MASK as the low 24 bits clears exactly
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* the aspect bits and leaves the other extra-geometry flags alone. */
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#define gSPHudAspectEXT(pkt, mode) \
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gDma0p((pkt), GE_EXTRAGEOMETRYMODE_EXT, (mode), ((~GE_HUD_ASPECT_MASK) & 0xFFFFFFu))
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extern float portNativeAspect(void); /* port/src/video.c */
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/* Only for windows wider than 4:3: in a narrower window a centred 4:3 HUD
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* would be wider than the window and crop, so there the HUD keeps the canvas
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* mapping (squeezed, never cropped). 1.3334 so exact 4:3 emits nothing. */
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#define PORT_HUD_ASPECT(gdl, mode) \
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do { if (portNativeAspect() > 1.3334f) { gSPHudAspectEXT((gdl)++, (mode)); } } while (0)
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/* D226: HUD span scale. PORT_HUD_SCALE(gdl, ax, ay) scales every rectangle
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* drawn after it (glyphs, message boxes, ammo icons) about the anchor
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* (logical screen px) by Game.HudScale %, until PORT_HUD_SCALE_END. At 100%
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* nothing is emitted (byte-identical). Decoded as G_HUDSCALE_EXT in fast3d. */
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#define GE_HUDSCALE_EXT 0x46
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extern s32 portHudScalePercent(void); /* port/src/video.c */
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#define gSPHudScaleEXT(pkt, scale256, ax4, ay4) gDma0p((pkt), GE_HUDSCALE_EXT, ((u32)(ax4) << 16) | ((u32)(ay4) & 0xFFFFu), ((u32)(scale256) & 0xFFFFu))
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#define PORT_HUD_SCALE(gdl, ax, ay) do { s32 _hp = portHudScalePercent(); if (_hp != 100) { gSPHudScaleEXT((gdl)++, _hp * 256 / 100, (ax) * 4, (ay) * 4); } } while (0)
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#define PORT_HUD_SCALE_PCT(gdl, pct, ax, ay) do { s32 _hp = (pct); if (_hp != 100) { gSPHudScaleEXT((gdl)++, _hp * 256 / 100, (ax) * 4, (ay) * 4); } } while (0)
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#define PORT_HUD_SCALE_END(gdl) do { if (portHudScalePercent() != 100) { gSPHudScaleEXT((gdl)++, 256, 0, 0); } } while (0)
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#endif
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