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Shipwright/soh/src/code/z_vimode.c
M4xw 39cc86c260 git subrepo clone https://github.com/HarbourMasters/soh.git 
subrepo:
  subdir:   "soh"
  merged:   "ba904bbd0"
upstream:
  origin:   "https://github.com/HarbourMasters/soh.git"
  branch:   "master"
  commit:   "ba904bbd0"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"
2022-03-22 02:51:23 +01:00

322 lines
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#include "global.h"
void ViMode_LogPrint(OSViMode* osViMode) {
LOG_ADDRESS("osvimodep", osViMode, "../z_vimode.c", 87);
LOG_ADDRESS("osvimodep->comRegs.ctrl", osViMode->comRegs.ctrl, "../z_vimode.c", 88);
LOG_ADDRESS("osvimodep->comRegs.width", osViMode->comRegs.width, "../z_vimode.c", 89);
LOG_ADDRESS("osvimodep->comRegs.burst", osViMode->comRegs.burst, "../z_vimode.c", 90);
LOG_ADDRESS("osvimodep->comRegs.vSync", osViMode->comRegs.vSync, "../z_vimode.c", 91);
LOG_ADDRESS("osvimodep->comRegs.hSync", osViMode->comRegs.hSync, "../z_vimode.c", 92);
LOG_ADDRESS("osvimodep->comRegs.leap", osViMode->comRegs.leap, "../z_vimode.c", 93);
LOG_ADDRESS("osvimodep->comRegs.hStart", osViMode->comRegs.hStart, "../z_vimode.c", 94);
LOG_ADDRESS("osvimodep->comRegs.xScale", osViMode->comRegs.xScale, "../z_vimode.c", 95);
LOG_ADDRESS("osvimodep->fldRegs[0].vStart", osViMode->fldRegs[0].vStart, "../z_vimode.c", 96);
LOG_ADDRESS("osvimodep->fldRegs[0].vBurst", osViMode->fldRegs[0].vBurst, "../z_vimode.c", 97);
LOG_ADDRESS("osvimodep->fldRegs[0].origin", osViMode->fldRegs[0].origin, "../z_vimode.c", 98);
LOG_ADDRESS("osvimodep->fldRegs[0].yScale", osViMode->fldRegs[0].yScale, "../z_vimode.c", 99);
LOG_ADDRESS("osvimodep->fldRegs[0].vIntr", osViMode->fldRegs[0].vIntr, "../z_vimode.c", 100);
LOG_ADDRESS("osvimodep->fldRegs[1].vStart", osViMode->fldRegs[1].vStart, "../z_vimode.c", 101);
LOG_ADDRESS("osvimodep->fldRegs[1].vBurst", osViMode->fldRegs[1].vBurst, "../z_vimode.c", 102);
LOG_ADDRESS("osvimodep->fldRegs[1].origin", osViMode->fldRegs[1].origin, "../z_vimode.c", 103);
LOG_ADDRESS("osvimodep->fldRegs[1].yScale", osViMode->fldRegs[1].yScale, "../z_vimode.c", 104);
LOG_ADDRESS("osvimodep->fldRegs[1].vIntr", osViMode->fldRegs[1].vIntr, "../z_vimode.c", 105);
}
// This function configures the custom VI mode (`viMode.customViMode`) based on the other flags in `viMode`.
void ViMode_Configure(ViMode* viMode, s32 mode, s32 type, s32 unk_70, s32 unk_74, s32 unk_78, s32 unk_7C, s32 width,
s32 height, s32 unk_left, s32 unk_right, s32 unk_top, s32 unk_bottom) {
s32 not_70;
s32 not_74;
s32 not_78;
s32 not_7C;
s32 cond_4C;
s32 cond_48;
s32 cond_44;
s32 cond_40;
s32 cond_3C;
s32 cond_38;
s32 cond_34;
s32 yScaleLo;
s32 yScaleHi0;
s32 yScaleHi1;
not_70 = !unk_70;
not_74 = !unk_74;
not_78 = !unk_78;
not_7C = !unk_7C;
cond_4C = not_70 && not_78;
cond_48 = not_70 && unk_78;
cond_44 = unk_70 && unk_78;
cond_40 = unk_70 && not_78;
cond_3C = unk_70 && not_74 && unk_78 && unk_7C;
cond_38 = unk_70 && unk_74 && unk_78 && not_7C;
cond_34 = not_70 && unk_74 && unk_78 && not_7C;
unk_top &= ~1;
unk_bottom &= ~1;
yScaleLo = (cond_4C ? 2 : 1) * (((height << 11)) / (SCREEN_HEIGHT * 2 + unk_bottom - unk_top) / (unk_70 ? 1 : 2));
yScaleHi0 = not_78 ? (cond_40 ? 0x1000000 : 0x2000000) : 0;
yScaleHi1 = not_78 ? (cond_40 ? 0x3000000 : 0x2000000) : 0;
viMode->customViMode.type = mode;
viMode->customViMode.comRegs.ctrl = OS_VI_UNK2000 | OS_VI_UNK1000 | OS_VI_GAMMA | OS_VI_GAMMA_DITHER |
(!cond_44 ? OS_VI_UNK40 : 0) | (not_74 ? OS_VI_DIVOT : 0) |
(not_7C ? OS_VI_UNK2 | OS_VI_UNK1 : OS_VI_UNK2);
if (cond_3C) {
viMode->customViMode.comRegs.ctrl |= 0x100;
} else if (cond_38 | cond_34) {
viMode->customViMode.comRegs.ctrl |= 0x300;
} else if (unk_74) {
viMode->customViMode.comRegs.ctrl |= 0x200;
} else {
viMode->customViMode.comRegs.ctrl |= 0;
}
viMode->customViMode.comRegs.width = width * (cond_48 ? 2 : 1);
if (type == 1) {
viMode->customViMode.comRegs.burst = 0x3E52239;
viMode->customViMode.comRegs.vSync = 0x20C;
viMode->customViMode.comRegs.hSync = 0xC15;
viMode->customViMode.comRegs.leap = 0xC150C15;
viMode->customViMode.comRegs.hStart = 0x6C02EC;
viMode->customViMode.fldRegs[0].vStart = 0x2501FF;
viMode->customViMode.fldRegs[0].vBurst = 0xE0204;
} else if (type == 0) {
viMode->customViMode.comRegs.burst = 0x404233A;
viMode->customViMode.comRegs.vSync = 0x270;
viMode->customViMode.comRegs.hSync = 0x150C69;
viMode->customViMode.comRegs.leap = 0xC6F0C6E;
viMode->customViMode.comRegs.hStart = 0x800300;
viMode->customViMode.fldRegs[0].vStart = 0x5F0239;
viMode->customViMode.fldRegs[0].vBurst = 0x9026B;
} else if (type == 2) {
viMode->customViMode.comRegs.burst = 0x4651E39;
viMode->customViMode.comRegs.vSync = 0x20C;
viMode->customViMode.comRegs.hSync = 0xC10;
viMode->customViMode.comRegs.leap = 0xC1C0C1C;
viMode->customViMode.comRegs.hStart = 0x6C02EC;
viMode->customViMode.fldRegs[0].vStart = 0x2501FF;
viMode->customViMode.fldRegs[0].vBurst = 0xE0204;
}
viMode->customViMode.fldRegs[1].vStart = viMode->customViMode.fldRegs[0].vStart;
viMode->customViMode.comRegs.hStart += (unk_left << 16) + (s16)unk_right;
viMode->customViMode.fldRegs[0].vStart += (unk_top << 16) + (s16)unk_bottom;
viMode->customViMode.fldRegs[1].vStart += (unk_top << 16) + (s16)unk_bottom;
viMode->customViMode.fldRegs[1].vBurst = viMode->customViMode.fldRegs[0].vBurst;
if (cond_44) {
viMode->customViMode.comRegs.vSync++;
if (type == 2) {
viMode->customViMode.comRegs.hSync += 0x40001;
}
if (type == 2) {
viMode->customViMode.comRegs.leap += 0xFFFCFFFE;
}
} else {
viMode->customViMode.fldRegs[0].vStart += 0xFFFDFFFE;
if (type == 2) {
viMode->customViMode.fldRegs[0].vBurst += 0xFFFCFFFE;
}
if (type == 0) {
viMode->customViMode.fldRegs[1].vBurst += 0x2FFFE;
}
}
viMode->customViMode.comRegs.xScale = (width << 10) / (SCREEN_WIDTH * 2 + unk_right - unk_left);
viMode->customViMode.comRegs.vCurrent = 0;
viMode->customViMode.fldRegs[0].origin = width * 2 * (unk_7C ? 1 : 2);
viMode->customViMode.fldRegs[1].origin = width * 2 * (unk_7C ? 1 : 2) * (unk_70 ? 1 : 2);
viMode->customViMode.fldRegs[0].yScale = yScaleLo | yScaleHi0;
viMode->customViMode.fldRegs[1].yScale = yScaleLo | yScaleHi1;
viMode->customViMode.fldRegs[0].vIntr = 2;
viMode->customViMode.fldRegs[1].vIntr = 2;
}
void ViMode_Save(ViMode* viMode) {
SREG(48) = viMode->viModeBase;
SREG(49) = viMode->viWidth;
SREG(50) = viMode->viHeight;
SREG(51) = viMode->unk_64;
SREG(52) = viMode->unk_60;
SREG(53) = viMode->unk_5C;
SREG(54) = viMode->unk_58;
if (SREG(58) == 1) {
SREG(58) = 0;
switch (SREG(59)) {
case 1:
osSyncPrintf("osViModePalLan1\n");
ViMode_LogPrint(&osViModePalLan1);
break;
case 2:
osSyncPrintf("osViModeFpalLan1\n");
ViMode_LogPrint(&osViModeFpalLan1);
break;
default:
osSyncPrintf("Custom\n");
ViMode_LogPrint(&viMode->customViMode);
break;
}
}
}
void ViMode_Load(ViMode* viMode) {
if ((SREG(49) & ~3) == 1) {
SREG(49) += 4;
}
viMode->viModeBase = SREG(48);
viMode->viWidth = SREG(49) & ~3;
viMode->viHeight = SREG(50);
viMode->unk_64 = SREG(51);
viMode->unk_60 = SREG(52);
viMode->unk_5C = SREG(53);
viMode->unk_58 = SREG(54);
}
void ViMode_Init(ViMode* viMode) {
viMode->viModeBase = 0;
viMode->viWidth = SCREEN_WIDTH;
viMode->viHeight = SCREEN_HEIGHT;
viMode->unk_5C = 0;
viMode->unk_58 = 0;
viMode->unk_64 = 0;
viMode->unk_60 = 0;
viMode->viFeatures = OS_VI_DITHER_FILTER_ON | OS_VI_GAMMA_OFF;
viMode->viTvType = osTvType;
viMode->unk_7C = true;
viMode->unk_78 = true;
viMode->unk_74 = false;
viMode->unk_70 = true;
ViMode_Save(viMode);
}
void ViMode_Destroy(ViMode* viMode) {
}
void ViMode_ConfigureFeatures(ViMode* viMode, s32 viFeatures) {
u32 ctrl = viMode->customViMode.comRegs.ctrl;
if (viFeatures & OS_VI_GAMMA_ON) {
ctrl |= OS_VI_GAMMA;
}
if (viFeatures & OS_VI_GAMMA_OFF) {
ctrl &= ~OS_VI_GAMMA;
}
if (viFeatures & OS_VI_GAMMA_DITHER_ON) {
ctrl |= OS_VI_GAMMA_DITHER;
}
if (viFeatures & OS_VI_GAMMA_DITHER_OFF) {
ctrl &= ~OS_VI_GAMMA_DITHER;
}
if (viFeatures & OS_VI_DIVOT_ON) {
ctrl |= OS_VI_DIVOT;
}
if (viFeatures & OS_VI_DIVOT_OFF) {
ctrl &= ~OS_VI_DIVOT;
}
viMode->customViMode.comRegs.ctrl = ctrl;
}
// This function uses controller input (C buttons + D pad) to reconfigure the custom VI mode
void ViMode_Update(ViMode* viMode, Input* input) {
ViMode_Load(viMode);
if ((viMode->viModeBase == 1) || (viMode->viModeBase == 2) || (viMode->viModeBase == 3)) {
gScreenWidth = viMode->viWidth;
gScreenHeight = viMode->viHeight;
if (CHECK_BTN_ALL(input->cur.button, BTN_START | BTN_CUP | BTN_CRIGHT)) {
ViMode_Init(viMode);
}
if (CHECK_BTN_ALL(input->cur.button, BTN_CUP)) {
if (CHECK_BTN_ALL(input->cur.button, BTN_DUP)) {
viMode->unk_64--;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DDOWN)) {
viMode->unk_64++;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DLEFT)) {
viMode->unk_5C--;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DRIGHT)) {
viMode->unk_5C++;
}
}
if (CHECK_BTN_ALL(input->cur.button, BTN_CRIGHT)) {
if (CHECK_BTN_ALL(input->cur.button, BTN_DUP)) {
viMode->unk_60--;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DDOWN)) {
viMode->unk_60++;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DLEFT)) {
viMode->unk_58--;
}
if (CHECK_BTN_ALL(input->cur.button, BTN_DRIGHT)) {
viMode->unk_58++;
}
}
if (CHECK_BTN_ALL(input->cur.button, BTN_CDOWN)) {
if (CHECK_BTN_ALL(input->press.button, BTN_DUP)) {
viMode->unk_70 = !viMode->unk_70;
}
if (CHECK_BTN_ALL(input->press.button, BTN_DDOWN)) {
viMode->unk_74 = !viMode->unk_74;
}
if (CHECK_BTN_ALL(input->press.button, BTN_DLEFT)) {
viMode->unk_78 = !viMode->unk_78;
}
if (CHECK_BTN_ALL(input->press.button, BTN_DRIGHT)) {
viMode->unk_7C = !viMode->unk_7C;
}
}
if (viMode->viModeBase >= 2) {
if (viMode->unk_5C < -16) {
viMode->unk_5C = -16;
}
if (viMode->unk_64 < -50) {
viMode->unk_64 = -50;
}
if (viMode->unk_58 > 16) {
viMode->unk_58 = 16;
}
if (viMode->unk_60 > 50) {
viMode->unk_60 = 50;
}
} else {
if (viMode->unk_5C < 0) {
viMode->unk_5C = 0;
}
if (viMode->unk_64 < 0) {
viMode->unk_64 = 0;
}
if (viMode->unk_58 > 0) {
viMode->unk_58 = 0;
}
if (viMode->unk_60 > 0) {
viMode->unk_60 = 0;
}
}
ViMode_Configure(viMode, OS_VI_UNK28, osTvType, viMode->unk_70, viMode->unk_74, viMode->unk_78, viMode->unk_7C,
viMode->viWidth, viMode->viHeight, viMode->unk_5C, viMode->unk_58, viMode->unk_64,
viMode->unk_60);
ViMode_ConfigureFeatures(viMode, viMode->viFeatures);
if (viMode->viModeBase == 3) {
ViMode_LogPrint(&osViModeNtscLan1);
ViMode_LogPrint(&viMode->customViMode);
viMode->viModeBase = 2;
}
}
ViMode_Save(viMode);
}
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