scummvm/engines/twine/holomap.cpp
2022-07-24 19:27:43 +02:00

665 lines
25 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "twine/holomap.h"
#include "common/algorithm.h"
#include "common/debug.h"
#include "common/memstream.h"
#include "common/stream.h"
#include "common/types.h"
#include "twine/audio/sound.h"
#include "twine/menu/interface.h"
#include "twine/parser/anim.h"
#include "twine/parser/holomap.h"
#include "twine/renderer/redraw.h"
#include "twine/renderer/renderer.h"
#include "twine/renderer/screens.h"
#include "twine/resources/hqr.h"
#include "twine/resources/resources.h"
#include "twine/scene/animations.h"
#include "twine/scene/collision.h"
#include "twine/scene/gamestate.h"
#include "twine/scene/movements.h"
#include "twine/scene/scene.h"
#include "twine/shared.h"
#include "twine/text.h"
#include "twine/twine.h"
namespace TwinE {
#define HOLOMAP_ARROW (1 << 0)
#define HOLOMAP_VISITED (1 << 1)
#define HOLOMAP_UNK3 (1 << 2)
#define HOLOMAP_UNK4 (1 << 3)
#define HOLOMAP_UNK5 (1 << 4)
#define HOLOMAP_UNK6 (1 << 5)
#define HOLOMAP_UNK7 (1 << 6)
#define HOLOMAP_CAN_FOCUS (1 << 7)
#define HOLOMAP_RESET (HOLOMAP_VISITED | HOLOMAP_UNK3 | HOLOMAP_UNK4 | HOLOMAP_UNK5 | HOLOMAP_UNK6 | HOLOMAP_UNK7)
#define HOLOMAP_ACTIVE (HOLOMAP_CAN_FOCUS | HOLOMAP_ARROW)
static const float zDistanceHolomap = 9500.0f;
static const float zDistanceTrajectory = 5300.0f;
Holomap::Holomap(TwinEEngine *engine) : _engine(engine) {}
int32 Holomap::distance(float distance) const {
const float w = (float)_engine->width() / (float)_engine->originalWidth();
const float h = (float)_engine->height() / (float)_engine->originalHeight();
const float f = MIN<float>(w, h);
return (int32)(distance / f);
}
int32 Holomap::scale(float val) const {
const float w = (float)_engine->width() / (float)_engine->originalWidth();
const float h = (float)_engine->height() / (float)_engine->originalHeight();
const float f = MIN<float>(w, h);
return (int32)(val * f);
}
bool Holomap::loadLocations() {
uint8 *locationsPtr = nullptr;
const int32 locationsSize = HQR::getAllocEntry(&locationsPtr, Resources::HQR_RESS_FILE, RESSHQR_HOLOARROWINFO);
if (locationsSize == 0) {
warning("Could not find holomap locations at index %i in %s", RESSHQR_HOLOARROWINFO, Resources::HQR_RESS_FILE);
return false;
}
Common::MemoryReadStream stream(locationsPtr, locationsSize, DisposeAfterUse::YES);
_numLocations = locationsSize / 8;
if (_numLocations > NUM_LOCATIONS) {
warning("Amount of locations (%i) exceeds the maximum of %i", _numLocations, NUM_LOCATIONS);
return false;
}
_engine->_text->initTextBank(TextBankId::Inventory_Intro_and_Holomap);
for (int32 i = 0; i < _numLocations; i++) {
_locations[i].angleX = ClampAngle(stream.readSint16LE());
_locations[i].angleY = ClampAngle(stream.readSint16LE());
_locations[i].size = stream.readSint16LE();
_locations[i].textIndex = (TextId)stream.readUint16LE();
if (_engine->_text->getMenuText(_locations[i].textIndex, _locations[i].name, sizeof(_locations[i].name))) {
debug(2, "Scene %i: %s", i, _locations[i].name);
continue;
}
debug(2, "Could not get location text for index %i", i);
}
return true;
}
void Holomap::setHolomapPosition(int32 locationIdx) {
assert(locationIdx >= 0 && locationIdx <= ARRAYSIZE(_engine->_gameState->_holomapFlags));
_engine->_gameState->_holomapFlags[locationIdx] = HOLOMAP_ACTIVE;
if (_engine->_gameState->hasItem(InventoryItems::kiHolomap)) {
_engine->_redraw->addOverlay(OverlayType::koInventoryItem, InventoryItems::kiHolomap, 0, 0, 0, OverlayPosType::koNormal, 3);
}
}
void Holomap::clearHolomapPosition(int32 locationIdx) {
assert(locationIdx >= 0 && locationIdx <= ARRAYSIZE(_engine->_gameState->_holomapFlags));
_engine->_gameState->_holomapFlags[locationIdx] &= HOLOMAP_RESET;
_engine->_gameState->_holomapFlags[locationIdx] |= HOLOMAP_UNK7;
}
void Holomap::loadHolomapGFX() {
constexpr TwineResource resource(Resources::HQR_RESS_FILE, RESSHQR_HOLOPAL);
_engine->_screens->loadCustomPalette(resource);
int32 j = HOLOMAP_PALETTE_INDEX * 3;
const int32 n = NUM_HOLOMAPCOLORS * 3;
for (int32 i = 0; i < n; i += 3, j += 3) {
_paletteHolomap[i + 0] = _engine->_screens->_palette[j + 0];
_paletteHolomap[i + 1] = _engine->_screens->_palette[j + 1];
_paletteHolomap[i + 2] = _engine->_screens->_palette[j + 2];
}
j = HOLOMAP_PALETTE_INDEX * 3;
for (int32 i = n; i < 2 * n - 3; i += 3, j += 3) {
_paletteHolomap[i + 0] = _engine->_screens->_palette[j + 0];
_paletteHolomap[i + 1] = _engine->_screens->_palette[j + 1];
_paletteHolomap[i + 2] = _engine->_screens->_palette[j + 2];
}
prepareHolomapProjectedPositions();
Common::SeekableReadStream *surfaceStream = HQR::makeReadStream(TwineResource(Resources::HQR_RESS_FILE, RESSHQR_HOLOSURFACE));
if (surfaceStream == nullptr) {
error("Failed to load holomap surface");
}
prepareHolomapSurface(surfaceStream);
delete surfaceStream;
_holomapPaletteIndex = 0;
}
void Holomap::prepareHolomapSurface(Common::SeekableReadStream *holomapSurfaceStream) {
int holomapSurfaceArrayIdx = 0;
_engine->_renderer->setBaseRotation(0, 0, 0);
for (int alpha = -ANGLE_90; alpha <= ANGLE_90; alpha += ANGLE_11_25) {
const int32 rot = holomapSurfaceStream->readByte();
holomapSurfaceStream->seek(-1, SEEK_CUR);
for (int beta = 0; beta < ANGLE_360; beta += ANGLE_11_25) {
const int32 rotX = holomapSurfaceStream->readByte();
const IVec3 &rotVec = _engine->_renderer->getHolomapRotation(rotX, alpha, beta);
_holomapSurface[holomapSurfaceArrayIdx].x = rotVec.x;
_holomapSurface[holomapSurfaceArrayIdx].y = rotVec.y;
_holomapSurface[holomapSurfaceArrayIdx].z = rotVec.z;
++holomapSurfaceArrayIdx;
}
const IVec3 &rotVec = _engine->_renderer->getHolomapRotation(rot, alpha, 0);
_holomapSurface[holomapSurfaceArrayIdx].x = rotVec.x;
_holomapSurface[holomapSurfaceArrayIdx].y = rotVec.y;
_holomapSurface[holomapSurfaceArrayIdx].z = rotVec.z;
++holomapSurfaceArrayIdx;
}
assert(holomapSurfaceStream->eos());
}
void Holomap::prepareHolomapProjectedPositions() {
int projectedIndex = 0;
for (int32 alpha = -ANGLE_90; alpha <= ANGLE_90; alpha += ANGLE_11_25) {
for (int32 beta = 0; beta < ANGLE_360; beta += ANGLE_11_25) {
_projectedSurfacePositions[projectedIndex].x2 = _engine->_screens->lerp(0, 0xffff, ANGLE_360 - 1, beta);
if (alpha == ANGLE_90) {
_projectedSurfacePositions[projectedIndex].y2 = -1;
} else {
_projectedSurfacePositions[projectedIndex].y2 = ((alpha + ANGLE_90) * ANGLE_90) / 2;
}
++projectedIndex;
}
_projectedSurfacePositions[projectedIndex].x2 = -1;
if (alpha == ANGLE_90) {
_projectedSurfacePositions[projectedIndex].y2 = -1;
} else {
_projectedSurfacePositions[projectedIndex].y2 = ((alpha + ANGLE_90) * ANGLE_90) / 2;
}
++projectedIndex;
}
}
void Holomap::prepareHolomapPolygons() {
int holomapSortArrayIdx = 0;
int holomapSurfaceArrayIdx = 0;
_projectedSurfaceIndex = 0;
for (int32 alpha = -ANGLE_90; alpha <= ANGLE_90; alpha += ANGLE_11_25) {
for (int32 beta = 0; beta < ANGLE_11_25; ++beta) {
IVec3 *vec = &_holomapSurface[holomapSurfaceArrayIdx++];
const IVec3 &destPos = _engine->_renderer->getBaseRotationPosition(vec->x, vec->y, vec->z);
if (alpha != ANGLE_90) {
_holomapSort[holomapSortArrayIdx].z = destPos.z;
_holomapSort[holomapSortArrayIdx].projectedPosIdx = _projectedSurfaceIndex;
++holomapSortArrayIdx;
}
const IVec3 &projPos = _engine->_renderer->projectPositionOnScreen(destPos);
_projectedSurfacePositions[_projectedSurfaceIndex].x1 = projPos.x;
_projectedSurfacePositions[_projectedSurfaceIndex].y1 = projPos.y;
++_projectedSurfaceIndex;
}
IVec3 *vec = &_holomapSurface[holomapSurfaceArrayIdx++];
const IVec3 &destPos = _engine->_renderer->getBaseRotationPosition(vec->x, vec->y, vec->z);
const IVec3 &projPos = _engine->_renderer->projectPositionOnScreen(destPos);
_projectedSurfacePositions[_projectedSurfaceIndex].x1 = projPos.x;
_projectedSurfacePositions[_projectedSurfaceIndex].y1 = projPos.y;
++_projectedSurfaceIndex;
}
assert(holomapSortArrayIdx == ARRAYSIZE(_holomapSort));
assert(holomapSurfaceArrayIdx == ARRAYSIZE(_holomapSurface));
assert(_projectedSurfaceIndex == ARRAYSIZE(_projectedSurfacePositions));
Common::sort(_holomapSort, _holomapSort + ARRAYSIZE(_holomapSort), [](const HolomapSort &a, const HolomapSort &b) { return a.z < b.z; });
}
bool Holomap::isTriangleVisible(const Vertex *vertices) const {
const int32 iVar2 = ((int32)vertices[1].x - (int32)vertices[0].x) *
((int32)vertices[0].y - (int32)vertices[2].y);
const int32 iVar1 = ((int32)vertices[1].y - (int32)vertices[0].y) *
((int32)vertices[0].x - (int32)vertices[2].x);
return iVar2 - iVar1 != 0 && iVar1 <= iVar2;
}
#define SURFACE_POS_OFFSET ((ANGLE_360 / ANGLE_11_25) + 1)
void Holomap::renderHolomapSurfacePolygons(uint8 *holomapImage, uint32 holomapImageSize) {
prepareHolomapPolygons();
for (int32 i = 0; i < ARRAYSIZE(_holomapSort); ++i) {
assert(_holomapSort[i].projectedPosIdx + 34 < _projectedSurfaceIndex);
const HolomapProjectedPos &pos1 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 0];
const HolomapProjectedPos &pos2 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 0 + SURFACE_POS_OFFSET];
const HolomapProjectedPos &pos3 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 1];
Vertex vertexCoordinates[3];
vertexCoordinates[0].x = pos1.x1;
vertexCoordinates[0].y = pos1.y1;
vertexCoordinates[1].x = pos2.x1;
vertexCoordinates[1].y = pos2.y1;
vertexCoordinates[2].x = pos3.x1;
vertexCoordinates[2].y = pos3.y1;
if (isTriangleVisible(vertexCoordinates)) {
Vertex textureCoordinates[3];
textureCoordinates[0].x = pos1.x2;
textureCoordinates[0].y = pos1.y2;
textureCoordinates[1].x = pos2.x2;
textureCoordinates[1].y = pos2.y2;
textureCoordinates[2].x = pos3.x2;
textureCoordinates[2].y = pos3.y2;
_engine->_renderer->renderHolomapVertices(vertexCoordinates, textureCoordinates, holomapImage, holomapImageSize);
}
const HolomapProjectedPos &pos4 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 0 + SURFACE_POS_OFFSET];
const HolomapProjectedPos &pos5 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 1 + SURFACE_POS_OFFSET];
const HolomapProjectedPos &pos6 = _projectedSurfacePositions[_holomapSort[i].projectedPosIdx + 1];
vertexCoordinates[0].x = pos4.x1;
vertexCoordinates[0].y = pos4.y1;
vertexCoordinates[1].x = pos5.x1;
vertexCoordinates[1].y = pos5.y1;
vertexCoordinates[2].x = pos6.x1;
vertexCoordinates[2].y = pos6.y1;
if (isTriangleVisible(vertexCoordinates)) {
Vertex textureCoordinates[3];
textureCoordinates[0].x = pos4.x2;
textureCoordinates[0].y = pos4.y2;
textureCoordinates[1].x = pos5.x2;
textureCoordinates[1].y = pos5.y2;
textureCoordinates[2].x = pos6.x2;
textureCoordinates[2].y = pos6.y2;
_engine->_renderer->renderHolomapVertices(vertexCoordinates, textureCoordinates, holomapImage, holomapImageSize);
}
}
}
void Holomap::drawHolomapText(int32 centerx, int32 top, const char *title) {
const int32 size = _engine->_text->getTextSize(title);
const int32 x = centerx - size / 2;
const int32 y = top;
_engine->_text->setFontColor(COLOR_WHITE);
_engine->_text->drawText(x, y, title);
}
void Holomap::renderHolomapPointModel(const IVec3 &angle, int32 x, int32 y) {
_engine->_renderer->setBaseRotation(x, y, 0);
const IVec3 &destPos = _engine->_renderer->getBaseRotationPosition(0, 0, 1000);
_engine->_renderer->setBaseTranslation(0, 0, 0);
_engine->_renderer->setBaseRotation(angle);
_engine->_renderer->setBaseRotationPos(0, 0, distance(zDistanceTrajectory));
_engine->_interface->resetClip();
Common::Rect dirtyRect;
_engine->_renderer->renderIsoModel(destPos, x, y, ANGLE_0, _engine->_resources->_holomapPointModelPtr, dirtyRect);
_engine->copyBlockPhys(dirtyRect);
}
void Holomap::renderHolomapVehicle(uint &frameNumber, ActorMoveStruct &move, AnimTimerDataStruct &animTimerData, BodyData &bodyData, AnimData &animData) {
const int16 newAngle = move.getRealAngle(_engine->_lbaTime);
if (move.numOfStep == 0) {
_engine->_movements->setActorAngleSafe(ANGLE_0, -ANGLE_90, 500, &move);
}
if (_engine->_animations->setModelAnimation(frameNumber, animData, bodyData, &animTimerData)) {
frameNumber++;
if (frameNumber >= animData.getNumKeyframes()) {
frameNumber = animData.getLoopFrame();
}
}
const Common::Rect rect(0, _engine->height() - 280, 200, _engine->height() - 1);
_engine->_renderer->setCameraPosition(rect.width() / 2, _engine->height() - 80, 128, 900, 900);
_engine->_renderer->setCameraAngle(0, 0, 0, 60, 128, 0, distance(30000));
_engine->_renderer->setLightVector(-60, 128, 0);
// background of the vehicle
_engine->_interface->drawFilledRect(rect, COLOR_BLACK);
Common::Rect dummy;
_engine->_renderer->renderIsoModel(0, 0, 0, ANGLE_0, newAngle, ANGLE_0, bodyData, dummy);
_engine->copyBlockPhys(rect);
}
void Holomap::drawHolomapTrajectory(int32 trajectoryIndex) {
if (_engine->isDemo()) {
return;
}
debug("Draw trajectory index %i", trajectoryIndex);
const Trajectory *data = _engine->_resources->getTrajectory(trajectoryIndex);
if (data == nullptr) {
warning("Failed to load trajectory data for index %i", trajectoryIndex);
return;
}
_engine->exitSceneryView();
_engine->_interface->resetClip();
_engine->_screens->clearScreen();
loadHolomapGFX();
_engine->setPalette(_engine->_screens->_paletteRGBACustom);
ScopedEngineFreeze timeFreeze(_engine);
const int32 cameraPosX = _engine->width() / 2 + 80;
const int32 cameraPosY = _engine->height() / 2;
_engine->_renderer->setCameraPosition(cameraPosX, cameraPosY, 128, 1024, 1024);
_engine->_renderer->setCameraAngle(0, 0, 0, data->pos.x, data->pos.y, data->pos.z, distance(zDistanceTrajectory));
constexpr TwineResource holomapImageRes(Resources::HQR_RESS_FILE, RESSHQR_HOLOIMG);
uint8 *holomapImagePtr = nullptr;
const int32 holomapImageSize = HQR::getAllocEntry(&holomapImagePtr, holomapImageRes);
if (holomapImageSize == 0) {
error("Failed to load holomap image");
}
renderHolomapSurfacePolygons(holomapImagePtr, holomapImageSize);
const Location &loc = _locations[data->locationIdx];
renderHolomapPointModel(data->pos, loc.angleX, loc.angleY);
ActorMoveStruct move;
AnimTimerDataStruct animTimerData;
AnimData animData;
animData.loadFromHQR(Resources::HQR_RESS_FILE, data->getAnimation(), _engine->isLBA1());
BodyData bodyData;
bodyData.loadFromHQR(Resources::HQR_RESS_FILE, data->getModel(), _engine->isLBA1());
uint frameNumber = 0;
int32 frameTime = _engine->_lbaTime;
int16 trajAnimFrameIdx = 0;
int32 waterPaletteChangeTimer = 0;
bool fadeInPalette = true;
_engine->_input->enableKeyMap(holomapKeyMapId);
for (;;) {
FrameMarker frame(_engine);
_engine->readKeys();
if (_engine->shouldQuit() || _engine->_input->toggleAbortAction()) {
break;
}
if (!fadeInPalette && waterPaletteChangeTimer < _engine->_lbaTime) {
// animate the water surface
_engine->setPalette(HOLOMAP_PALETTE_INDEX, NUM_HOLOMAPCOLORS, &_paletteHolomap[3 * _holomapPaletteIndex++]);
if (_holomapPaletteIndex == NUM_HOLOMAPCOLORS) {
_holomapPaletteIndex = 0;
}
waterPaletteChangeTimer = _engine->_lbaTime + 3;
}
renderHolomapVehicle(frameNumber, move, animTimerData, bodyData, animData);
// now render the holomap path
_engine->_renderer->setCameraPosition(cameraPosX, cameraPosY, 128, 1024, 1024);
_engine->_renderer->setCameraAngle(0, 0, 0, data->pos.x, data->pos.y, data->pos.z, distance(zDistanceTrajectory));
_engine->_renderer->setLightVector(data->pos.x, data->pos.y, 0);
// animate the path from point 1 to point 2 by rendering a point model on each position
// on the globe every 40 timeunits
if (frameTime + 40 <= _engine->_lbaTime) {
frameTime = _engine->_lbaTime;
int32 modelX;
int32 modelY;
if (trajAnimFrameIdx < data->numAnimFrames) {
modelX = data->positions[trajAnimFrameIdx].x;
modelY = data->positions[trajAnimFrameIdx].y;
} else {
if (data->numAnimFrames < trajAnimFrameIdx) {
break;
}
modelX = loc.angleX;
modelY = loc.angleY;
}
renderHolomapPointModel(data->pos, modelX, modelY);
++trajAnimFrameIdx;
}
if (fadeInPalette) {
fadeInPalette = false;
//_engine->_screens->fadeToPal(_engine->_screens->_paletteRGBACustom);
}
++_engine->_lbaTime;
}
_engine->_screens->clearScreen();
_engine->setPalette(_engine->_screens->_paletteRGBA);
_engine->_gameState->initEngineProjections();
_engine->_interface->loadClip();
_engine->_text->initSceneTextBank();
_engine->_input->enableKeyMap(mainKeyMapId);
free(holomapImagePtr);
}
int32 Holomap::getNextHolomapLocation(int32 currentLocation, int32 dir) const {
const int32 idx = currentLocation;
for (int32 i = currentLocation + dir; i != idx; i += dir) {
if (i < 0) {
i = NUM_LOCATIONS - 1;
} else {
i %= NUM_LOCATIONS;
}
if (i == _engine->_scene->_currentSceneIdx || (_engine->_gameState->_holomapFlags[i] & HOLOMAP_ACTIVE) != 0u) {
return i;
}
}
return -1;
}
void Holomap::renderLocations(int xRot, int yRot, int zRot, bool lower) {
int n = 0;
DrawListStruct drawListArray[NUM_LOCATIONS];
for (int locationIdx = 0; locationIdx < NUM_LOCATIONS; ++locationIdx) {
if ((_engine->_gameState->_holomapFlags[locationIdx] & HOLOMAP_CAN_FOCUS) || locationIdx == _engine->_scene->_currentSceneIdx) {
const Location &loc = _locations[locationIdx];
_engine->_renderer->setBaseRotation(loc.angleX, loc.angleY, 0);
const IVec3 &destPos = _engine->_renderer->getBaseRotationPosition(0, 0, loc.size + 1000);
const IVec3 &destPos2 = _engine->_renderer->getBaseRotationPosition(0, 0, 1500);
_engine->_renderer->setBaseRotation(xRot, yRot, zRot, true);
_engine->_renderer->setBaseRotationPos(0, 0, distance(zDistanceHolomap));
const IVec3 &destPos3 = _engine->_renderer->getBaseRotationPosition(destPos);
const IVec3 &destPos4 = _engine->_renderer->getBaseRotationPosition(destPos2);
bool visible;
if (lower) {
visible = destPos3.z <= destPos4.z;
} else {
visible = destPos4.z <= destPos3.z;
}
if (!visible) {
continue;
}
uint8 flags = _engine->_gameState->_holomapFlags[locationIdx] & HOLOMAP_ARROW;
if (locationIdx == _engine->_scene->_currentSceneIdx) {
flags |= 2u; // model type
}
DrawListStruct &drawList = drawListArray[n];
drawList.posValue = destPos3.z;
drawList.actorIdx = locationIdx;
drawList.type = flags;
drawList.x = destPos.x;
drawList.y = destPos.y;
drawList.z = destPos.z;
++n;
}
}
_engine->_redraw->sortDrawingList(drawListArray, n);
for (int i = 0; i < n; ++i) {
const DrawListStruct &drawList = drawListArray[i];
const uint16 flags = drawList.type;
const BodyData *bodyData = nullptr;
if (flags == 1u) {
bodyData = &_engine->_resources->_holomapArrowPtr;
} else if (flags == 2u) {
bodyData = &_engine->_resources->_holomapTwinsenModelPtr;
} else if (flags == 3u) {
bodyData = &_engine->_resources->_holomapTwinsenArrowPtr;
}
if (bodyData != nullptr) {
const int32 angleX = _locations[drawList.actorIdx].angleX;
const int32 angleY = _locations[drawList.actorIdx].angleY;
Common::Rect dummy;
_engine->_renderer->renderIsoModel(drawList.x, drawList.y, drawList.z, angleX, angleY, ANGLE_0, *bodyData, dummy);
}
}
}
void Holomap::processHolomap() {
ScopedEngineFreeze freeze(_engine);
const int32 alphaLightTmp = _engine->_scene->_alphaLight;
const int32 betaLightTmp = _engine->_scene->_betaLight;
_engine->exitSceneryView();
_engine->_gameState->initEngineProjections();
_engine->_screens->fadeToBlack(_engine->_screens->_paletteRGBA);
_engine->_sound->stopSamples();
_engine->_interface->saveClip();
_engine->_interface->resetClip();
_engine->_screens->clearScreen();
_engine->_screens->fadeToBlack(_engine->_screens->_paletteRGBA);
loadHolomapGFX();
_engine->_text->initTextBank(TextBankId::Inventory_Intro_and_Holomap);
_engine->_text->setFontCrossColor(COLOR_9);
const int32 cameraPosX = _engine->width() / 2;
const int32 cameraPosY = scale(190);
_engine->_renderer->setCameraPosition(cameraPosX, cameraPosY, 128, 1024, 1024);
constexpr TwineResource holomapImageRes(Resources::HQR_RESS_FILE, RESSHQR_HOLOIMG);
uint8 *holomapImagePtr = nullptr;
const int32 holomapImageSize = HQR::getAllocEntry(&holomapImagePtr, holomapImageRes);
if (holomapImageSize == 0) {
error("Failed to load holomap image");
}
int32 currentLocation = _engine->_scene->_currentSceneIdx;
_engine->_text->drawHolomapLocation(_locations[currentLocation].textIndex);
int32 time = _engine->_lbaTime;
int32 xRot = _locations[currentLocation].angleX;
int32 yRot = _locations[currentLocation].angleY;
bool automove = false;
bool redraw = true;
int waterPaletteChangeTimer = 0;
bool fadeInPalette = true;
_engine->_input->enableKeyMap(holomapKeyMapId);
for (;;) {
FrameMarker frame(_engine);
_engine->_input->readKeys();
if (_engine->shouldQuit() || _engine->_input->toggleAbortAction()) {
break;
}
if (_engine->_input->toggleActionIfActive(TwinEActionType::HolomapPrev)) {
const int32 nextLocation = getNextHolomapLocation(currentLocation, -1);
if (nextLocation != -1 && currentLocation != nextLocation) {
currentLocation = nextLocation;
_engine->_text->drawHolomapLocation(_locations[currentLocation].textIndex);
time = _engine->_lbaTime;
automove = true;
}
} else if (_engine->_input->toggleActionIfActive(TwinEActionType::HolomapNext)) {
const int32 nextLocation = getNextHolomapLocation(currentLocation, 1);
if (nextLocation != -1 && currentLocation != nextLocation) {
currentLocation = nextLocation;
_engine->_text->drawHolomapLocation(_locations[currentLocation].textIndex);
time = _engine->_lbaTime;
automove = true;
}
}
if (_engine->_input->isActionActive(TwinEActionType::HolomapDown)) {
xRot += ANGLE_2;
automove = true;
time = _engine->_lbaTime;
} else if (_engine->_input->isActionActive(TwinEActionType::HolomapUp)) {
xRot -= ANGLE_2;
automove = true;
time = _engine->_lbaTime;
}
if (_engine->_input->isActionActive(TwinEActionType::HolomapRight)) {
yRot += ANGLE_2;
automove = true;
time = _engine->_lbaTime;
} else if (_engine->_input->isActionActive(TwinEActionType::HolomapLeft)) {
yRot -= ANGLE_2;
automove = true;
time = _engine->_lbaTime;
}
if (automove) {
const int32 dt = _engine->_lbaTime - time;
xRot = _engine->_collision->clampedLerp(ClampAngle(xRot), _locations[currentLocation].angleX, 75, dt);
yRot = _engine->_collision->clampedLerp(ClampAngle(yRot), _locations[currentLocation].angleY, 75, dt);
redraw = true;
}
if (!fadeInPalette && waterPaletteChangeTimer < _engine->_lbaTime) {
// animate the water surface
_engine->setPalette(HOLOMAP_PALETTE_INDEX, NUM_HOLOMAPCOLORS, &_paletteHolomap[3 * _holomapPaletteIndex++]);
if (_holomapPaletteIndex == NUM_HOLOMAPCOLORS) {
_holomapPaletteIndex = 0;
}
waterPaletteChangeTimer = _engine->_lbaTime + 3;
redraw = true;
}
if (redraw) {
redraw = false;
const Common::Rect &rect = _engine->centerOnScreenX(scale(300), 0, scale(330));
_engine->_interface->drawFilledRect(rect, COLOR_BLACK);
_engine->_renderer->setBaseRotation(xRot, yRot, 0, true);
_engine->_renderer->setLightVector(xRot, yRot, 0);
renderLocations(xRot, yRot, 0, false);
_engine->_renderer->setBaseRotation(xRot, yRot, 0, true);
_engine->_renderer->setBaseRotationPos(0, 0, distance(zDistanceHolomap));
renderHolomapSurfacePolygons(holomapImagePtr, holomapImageSize);
renderLocations(xRot, yRot, 0, true);
drawHolomapText(_engine->width() / 2, 25, "HoloMap");
if (automove) {
// draw cursor
const Common::Rect &targetRect = _engine->centerOnScreen(40, 40);
_engine->_menu->drawRectBorders(targetRect.left, cameraPosY - 20, targetRect.right, cameraPosY + 20, 15, 15);
}
}
if (automove && xRot == _locations[currentLocation].angleX && yRot == _locations[currentLocation].angleY) {
automove = false;
}
++_engine->_lbaTime;
if (fadeInPalette) {
fadeInPalette = false;
_engine->_screens->fadeToPal(_engine->_screens->_paletteRGBACustom);
}
}
_engine->_screens->clearScreen();
_engine->_text->_drawTextBoxBackground = true;
_engine->setPalette(_engine->_screens->_paletteRGBA);
_engine->_scene->_alphaLight = alphaLightTmp;
_engine->_scene->_betaLight = betaLightTmp;
_engine->_gameState->initEngineProjections();
_engine->_interface->loadClip();
_engine->_input->enableKeyMap(mainKeyMapId);
_engine->_text->initSceneTextBank();
free(holomapImagePtr);
}
const char *Holomap::getLocationName(int index) const {
assert(index >= 0 && index <= ARRAYSIZE(_locations));
return _locations[index].name;
}
} // namespace TwinE