ddnet/src/game/client/components/spectator.cpp

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
#include <limits.h>
#include <engine/demo.h>
#include <engine/graphics.h>
#include <engine/shared/config.h>
#include <engine/textrender.h>
#include <game/generated/client_data.h>
#include <game/generated/protocol.h>
#include <game/client/animstate.h>
#include <game/client/render.h>
#include "camera.h"
#include "spectator.h"
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#include <game/client/gameclient.h>
bool CSpectator::CanChangeSpectator()
{
// Don't change SpectatorID when not spectating
return m_pClient->m_Snap.m_SpecInfo.m_Active;
}
void CSpectator::SpectateNext(bool Reverse)
{
int CurIndex = -1;
const CNetObj_PlayerInfo **paPlayerInfos = m_pClient->m_Snap.m_paInfoByDDTeamName;
// m_SpectatorID may be uninitialized if m_Active is false
if(m_pClient->m_Snap.m_SpecInfo.m_Active)
{
for(int i = 0; i < MAX_CLIENTS; i++)
{
if(paPlayerInfos[i] && paPlayerInfos[i]->m_ClientID == m_pClient->m_Snap.m_SpecInfo.m_SpectatorID)
{
CurIndex = i;
break;
}
}
}
int Start;
if(CurIndex != -1)
{
if(Reverse)
Start = CurIndex - 1;
else
Start = CurIndex + 1;
}
else
{
if(Reverse)
Start = -1;
else
Start = 0;
}
int Increment = Reverse ? -1 : 1;
for(int i = 0; i < MAX_CLIENTS; i++)
{
int PlayerIndex = (Start + i * Increment) % MAX_CLIENTS;
// % in C++ takes the sign of the dividend, not divisor
if(PlayerIndex < 0)
PlayerIndex += MAX_CLIENTS;
const CNetObj_PlayerInfo *pPlayerInfo = paPlayerInfos[PlayerIndex];
if(pPlayerInfo && pPlayerInfo->m_Team != TEAM_SPECTATORS)
{
Spectate(pPlayerInfo->m_ClientID);
break;
}
}
}
void CSpectator::ConKeySpectator(IConsole::IResult *pResult, void *pUserData)
{
CSpectator *pSelf = (CSpectator *)pUserData;
if(pSelf->m_pClient->m_Snap.m_SpecInfo.m_Active || pSelf->Client()->State() == IClient::STATE_DEMOPLAYBACK)
pSelf->m_Active = pResult->GetInteger(0) != 0;
else
pSelf->m_Active = false;
}
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void CSpectator::ConSpectate(IConsole::IResult *pResult, void *pUserData)
{
CSpectator *pSelf = (CSpectator *)pUserData;
if(!pSelf->CanChangeSpectator())
return;
pSelf->Spectate(pResult->GetInteger(0));
}
void CSpectator::ConSpectateNext(IConsole::IResult *pResult, void *pUserData)
{
CSpectator *pSelf = (CSpectator *)pUserData;
if(!pSelf->CanChangeSpectator())
return;
pSelf->SpectateNext(false);
}
void CSpectator::ConSpectatePrevious(IConsole::IResult *pResult, void *pUserData)
{
CSpectator *pSelf = (CSpectator *)pUserData;
if(!pSelf->CanChangeSpectator())
return;
pSelf->SpectateNext(true);
}
void CSpectator::ConSpectateClosest(IConsole::IResult *pResult, void *pUserData)
{
CSpectator *pSelf = (CSpectator *)pUserData;
if(!pSelf->CanChangeSpectator())
return;
CGameClient::CSnapState &Snap = pSelf->m_pClient->m_Snap;
int SpectatorID = Snap.m_SpecInfo.m_SpectatorID;
int NewSpectatorID = -1;
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vec2 CurPosition(pSelf->m_pClient->m_Camera.m_Center);
if(SpectatorID != SPEC_FREEVIEW)
{
const CNetObj_Character &CurCharacter = Snap.m_aCharacters[SpectatorID].m_Cur;
CurPosition.x = CurCharacter.m_X;
CurPosition.y = CurCharacter.m_Y;
}
int ClosestDistance = INT_MAX;
for(int i = 0; i < MAX_CLIENTS; i++)
{
if(i == SpectatorID || !Snap.m_paPlayerInfos[i] || Snap.m_paPlayerInfos[i]->m_Team == TEAM_SPECTATORS)
continue;
const CNetObj_Character &MaybeClosestCharacter = Snap.m_aCharacters[i].m_Cur;
int Distance = distance(CurPosition, vec2(MaybeClosestCharacter.m_X, MaybeClosestCharacter.m_Y));
if(NewSpectatorID == -1 || Distance < ClosestDistance)
{
NewSpectatorID = i;
ClosestDistance = Distance;
}
}
if(NewSpectatorID > -1)
pSelf->Spectate(NewSpectatorID);
}
CSpectator::CSpectator()
{
OnReset();
m_OldMouseX = m_OldMouseY = 0.0f;
}
void CSpectator::OnConsoleInit()
{
Console()->Register("+spectate", "", CFGFLAG_CLIENT, ConKeySpectator, this, "Open spectator mode selector");
Console()->Register("spectate", "i[spectator-id]", CFGFLAG_CLIENT, ConSpectate, this, "Switch spectator mode");
Console()->Register("spectate_next", "", CFGFLAG_CLIENT, ConSpectateNext, this, "Spectate the next player");
Console()->Register("spectate_previous", "", CFGFLAG_CLIENT, ConSpectatePrevious, this, "Spectate the previous player");
Console()->Register("spectate_closest", "", CFGFLAG_CLIENT, ConSpectateClosest, this, "Spectate the closest player");
}
bool CSpectator::OnMouseMove(float x, float y)
{
if(!m_Active)
return false;
UI()->ConvertMouseMove(&x, &y);
m_SelectorMouse += vec2(x, y);
return true;
}
void CSpectator::OnRelease()
{
OnReset();
}
void CSpectator::OnRender()
{
if(!m_Active)
{
if(m_WasActive)
{
if(m_SelectedSpectatorID != NO_SELECTION)
Spectate(m_SelectedSpectatorID);
m_WasActive = false;
}
return;
}
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if(!m_pClient->m_Snap.m_SpecInfo.m_Active && Client()->State() != IClient::STATE_DEMOPLAYBACK)
{
m_Active = false;
m_WasActive = false;
return;
}
m_WasActive = true;
m_SelectedSpectatorID = NO_SELECTION;
// draw background
float Width = 400 * 3.0f * Graphics()->ScreenAspect();
float Height = 400 * 3.0f;
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float ObjWidth = 300.0f;
float FontSize = 20.0f;
float BigFontSize = 20.0f;
float StartY = -190.0f;
float LineHeight = 60.0f;
float TeeSizeMod = 1.0f;
float RoundRadius = 30.0f;
bool Selected = false;
int TotalPlayers = 0;
int PerLine = 8;
float BoxMove = -10.0f;
float BoxOffset = 0.0f;
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for(auto &pInfo : m_pClient->m_Snap.m_paInfoByDDTeamName)
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{
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if(!pInfo || pInfo->m_Team == TEAM_SPECTATORS)
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continue;
++TotalPlayers;
}
if(TotalPlayers > 32)
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{
FontSize = 18.0f;
LineHeight = 30.0f;
TeeSizeMod = 0.7f;
PerLine = 16;
RoundRadius = 10.0f;
BoxMove = 3.0f;
BoxOffset = 6.0f;
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}
if(TotalPlayers > 16)
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{
ObjWidth = 600.0f;
}
Graphics()->MapScreen(0, 0, Width, Height);
Graphics()->BlendNormal();
Graphics()->TextureClear();
Graphics()->QuadsBegin();
Graphics()->SetColor(0.0f, 0.0f, 0.0f, 0.3f);
RenderTools()->DrawRoundRect(Width / 2.0f - ObjWidth, Height / 2.0f - 300.0f, ObjWidth * 2, 600.0f, 20.0f);
Graphics()->QuadsEnd();
// clamp mouse position to selector area
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m_SelectorMouse.x = clamp(m_SelectorMouse.x, -(ObjWidth - 20.0f), ObjWidth - 20.0f);
m_SelectorMouse.y = clamp(m_SelectorMouse.y, -280.0f, 280.0f);
// draw selections
if((Client()->State() == IClient::STATE_DEMOPLAYBACK && m_pClient->m_DemoSpecID == SPEC_FREEVIEW) ||
m_pClient->m_Snap.m_SpecInfo.m_SpectatorID == SPEC_FREEVIEW)
{
Graphics()->TextureClear();
Graphics()->QuadsBegin();
Graphics()->SetColor(1.0f, 1.0f, 1.0f, 0.25f);
RenderTools()->DrawRoundRect(Width / 2.0f - (ObjWidth - 20.0f), Height / 2.0f - 280.0f, 270.0f, 60.0f, 20.0f);
Graphics()->QuadsEnd();
}
if(Client()->State() == IClient::STATE_DEMOPLAYBACK && m_pClient->m_DemoSpecID == SPEC_FOLLOW)
{
Graphics()->TextureClear();
Graphics()->QuadsBegin();
Graphics()->SetColor(1.0f, 1.0f, 1.0f, 0.25f);
RenderTools()->DrawRoundRect(Width / 2.0f - (ObjWidth - 310.0f), Height / 2.0f - 280.0f, 270.0f, 60.0f, 20.0f);
Graphics()->QuadsEnd();
}
if(m_SelectorMouse.x >= -(ObjWidth - 20.0f) && m_SelectorMouse.x <= -(ObjWidth - 290 + 10.0f) &&
m_SelectorMouse.y >= -280.0f && m_SelectorMouse.y <= -220.0f)
{
m_SelectedSpectatorID = SPEC_FREEVIEW;
Selected = true;
}
TextRender()->TextColor(1.0f, 1.0f, 1.0f, Selected ? 1.0f : 0.5f);
TextRender()->Text(0, Width / 2.0f - (ObjWidth - 60.0f), Height / 2.0f - 280.f + (60.f - BigFontSize) / 2.f, BigFontSize, Localize("Free-View"), -1.0f);
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if(Client()->State() == IClient::STATE_DEMOPLAYBACK)
{
Selected = false;
if(m_SelectorMouse.x > -(ObjWidth - 290.0f) && m_SelectorMouse.x <= -(ObjWidth - 590.0f) &&
m_SelectorMouse.y >= -280.0f && m_SelectorMouse.y <= -220.0f)
{
m_SelectedSpectatorID = SPEC_FOLLOW;
Selected = true;
}
TextRender()->TextColor(1.0f, 1.0f, 1.0f, Selected ? 1.0f : 0.5f);
TextRender()->Text(0, Width / 2.0f - (ObjWidth - 350.0f), Height / 2.0f - 280.0f + (60.f - BigFontSize) / 2.f, BigFontSize, Localize("Follow"), -1.0f);
}
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float x = -(ObjWidth - 35.0f), y = StartY;
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int OldDDTeam = -1;
for(int i = 0, Count = 0; i < MAX_CLIENTS; ++i)
{
if(!m_pClient->m_Snap.m_paInfoByDDTeamName[i] || m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_Team == TEAM_SPECTATORS)
continue;
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++Count;
if(Count == PerLine + 1 || (Count > PerLine + 1 && (Count - 1) % PerLine == 0))
{
x += 290.0f;
y = StartY;
}
const CNetObj_PlayerInfo *pInfo = m_pClient->m_Snap.m_paInfoByDDTeamName[i];
int DDTeam = m_pClient->m_Teams.Team(pInfo->m_ClientID);
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int NextDDTeam = 0;
for(int j = i + 1; j < MAX_CLIENTS; j++)
{
const CNetObj_PlayerInfo *pInfo2 = m_pClient->m_Snap.m_paInfoByDDTeamName[j];
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if(!pInfo2 || pInfo2->m_Team == TEAM_SPECTATORS)
continue;
NextDDTeam = m_pClient->m_Teams.Team(pInfo2->m_ClientID);
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break;
}
if(OldDDTeam == -1)
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{
for(int j = i - 1; j >= 0; j--)
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{
const CNetObj_PlayerInfo *pInfo2 = m_pClient->m_Snap.m_paInfoByDDTeamName[j];
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if(!pInfo2 || pInfo2->m_Team == TEAM_SPECTATORS)
continue;
OldDDTeam = m_pClient->m_Teams.Team(pInfo2->m_ClientID);
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break;
}
}
if(DDTeam != TEAM_FLOCK)
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{
Graphics()->TextureClear();
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Graphics()->QuadsBegin();
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ColorRGBA rgb = color_cast<ColorRGBA>(ColorHSLA(DDTeam / 64.0f, 1.0f, 0.5f, 0.5f));
Graphics()->SetColor(rgb);
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int Corners = 0;
if(OldDDTeam != DDTeam)
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Corners |= CUI::CORNER_TL | CUI::CORNER_TR;
if(NextDDTeam != DDTeam)
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Corners |= CUI::CORNER_BL | CUI::CORNER_BR;
RenderTools()->DrawRoundRectExt(Width / 2.0f + x - 10.0f + BoxOffset, Height / 2.0f + y + BoxMove, 270.0f - BoxOffset, LineHeight, RoundRadius, Corners);
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Graphics()->QuadsEnd();
}
OldDDTeam = DDTeam;
if((Client()->State() == IClient::STATE_DEMOPLAYBACK && m_pClient->m_DemoSpecID == m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID) || (Client()->State() != IClient::STATE_DEMOPLAYBACK && m_pClient->m_Snap.m_SpecInfo.m_SpectatorID == m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID))
{
Graphics()->TextureClear();
Graphics()->QuadsBegin();
Graphics()->SetColor(1.0f, 1.0f, 1.0f, 0.25f);
RenderTools()->DrawRoundRect(Width / 2.0f + x - 10.0f + BoxOffset, Height / 2.0f + y + BoxMove, 270.0f - BoxOffset, LineHeight, RoundRadius);
Graphics()->QuadsEnd();
}
Selected = false;
if(m_SelectorMouse.x >= x - 10.0f && m_SelectorMouse.x < x + 260.0f &&
m_SelectorMouse.y >= y - (LineHeight / 6.0f) && m_SelectorMouse.y < y + (LineHeight * 5.0f / 6.0f))
{
m_SelectedSpectatorID = m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID;
Selected = true;
}
float TeeAlpha;
if(Client()->State() == IClient::STATE_DEMOPLAYBACK &&
!m_pClient->m_Snap.m_aCharacters[m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID].m_Active)
{
TextRender()->TextColor(1.0f, 1.0f, 1.0f, 0.25f);
TeeAlpha = 0.5f;
}
else
{
TextRender()->TextColor(1.0f, 1.0f, 1.0f, Selected ? 1.0f : 0.5f);
TeeAlpha = 1.0f;
}
TextRender()->Text(0, Width / 2.0f + x + 50.0f, Height / 2.0f + y + BoxMove + (LineHeight - FontSize) / 2.f, FontSize, m_pClient->m_aClients[m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID].m_aName, 220.0f);
// flag
if(m_pClient->m_Snap.m_pGameInfoObj->m_GameFlags & GAMEFLAG_FLAGS &&
m_pClient->m_Snap.m_pGameDataObj && (m_pClient->m_Snap.m_pGameDataObj->m_FlagCarrierRed == m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID || m_pClient->m_Snap.m_pGameDataObj->m_FlagCarrierBlue == m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID))
{
Graphics()->BlendNormal();
if(m_pClient->m_Snap.m_pGameDataObj->m_FlagCarrierBlue == m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID)
Graphics()->TextureSet(GameClient()->m_GameSkin.m_SpriteFlagBlue);
else
Graphics()->TextureSet(GameClient()->m_GameSkin.m_SpriteFlagRed);
Graphics()->QuadsBegin();
Graphics()->QuadsSetSubset(1, 0, 0, 1);
float Size = LineHeight;
IGraphics::CQuadItem QuadItem(Width / 2.0f + x - LineHeight / 5.0f, Height / 2.0f + y - LineHeight / 3.0f, Size / 2.0f, Size);
Graphics()->QuadsDrawTL(&QuadItem, 1);
Graphics()->QuadsEnd();
}
CTeeRenderInfo TeeInfo = m_pClient->m_aClients[m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID].m_RenderInfo;
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TeeInfo.m_Size *= TeeSizeMod;
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CAnimState *pIdleState = CAnimState::GetIdle();
vec2 OffsetToMid;
RenderTools()->GetRenderTeeOffsetToRenderedTee(pIdleState, &TeeInfo, OffsetToMid);
vec2 TeeRenderPos(Width / 2.0f + x + 20.0f, Height / 2.0f + y + BoxMove + LineHeight / 2.0f + OffsetToMid.y);
RenderTools()->RenderTee(pIdleState, &TeeInfo, EMOTE_NORMAL, vec2(1.0f, 0.0f), TeeRenderPos, TeeAlpha);
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if(m_pClient->m_aClients[m_pClient->m_Snap.m_paInfoByDDTeamName[i]->m_ClientID].m_Friend)
{
ColorRGBA rgb = color_cast<ColorRGBA>(ColorHSLA(g_Config.m_ClMessageFriendColor));
TextRender()->TextColor(rgb.WithAlpha(1.f));
TextRender()->Text(0, Width / 2.0f + x - TeeInfo.m_Size / 2.0f, Height / 2.0f + y + BoxMove + (LineHeight - FontSize) / 2.f, FontSize, "", 220.0f);
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TextRender()->TextColor(1.0f, 1.0f, 1.0f, 1.0f);
}
y += LineHeight;
}
TextRender()->TextColor(1.0f, 1.0f, 1.0f, 1.0f);
// draw cursor
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Graphics()->WrapClamp();
Graphics()->TextureSet(g_pData->m_aImages[IMAGE_CURSOR].m_Id);
Graphics()->QuadsBegin();
Graphics()->SetColor(1.0f, 1.0f, 1.0f, 1.0f);
IGraphics::CQuadItem QuadItem(m_SelectorMouse.x + Width / 2.0f, m_SelectorMouse.y + Height / 2.0f, 48.0f, 48.0f);
Graphics()->QuadsDrawTL(&QuadItem, 1);
Graphics()->QuadsEnd();
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Graphics()->WrapNormal();
}
void CSpectator::OnReset()
{
m_WasActive = false;
m_Active = false;
m_SelectedSpectatorID = NO_SELECTION;
}
void CSpectator::Spectate(int SpectatorID)
{
if(Client()->State() == IClient::STATE_DEMOPLAYBACK)
{
m_pClient->m_DemoSpecID = clamp(SpectatorID, (int)SPEC_FOLLOW, MAX_CLIENTS - 1);
return;
}
if(m_pClient->m_Snap.m_SpecInfo.m_SpectatorID == SpectatorID)
return;
CNetMsg_Cl_SetSpectatorMode Msg;
Msg.m_SpectatorID = SpectatorID;
Client()->SendPackMsg(&Msg, MSGFLAG_VITAL);
}